1881947844

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{61}}^2\times {\mathrm{223}}^1$

素因数の和:368

約数の個数: 180

約数和(自身を含む): 5741928192

約数和(自身を除く): 3859980348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 61, 63, 81, 84, 108, 122, 126, 162, 183, 189, 223, 244, 252, 324, 366, 378, 427, 446, 549, 567, 669, 732, 756, 854, 892, 1098, 1134, 1281, 1338, 1561, 1647, 1708, 2007, 2196, 2268, 2562, 2676, 3122, 3294, 3721, 3843, 4014, 4683, 4941, 5124, 6021, 6244, 6588, 7442, 7686, 8028, 9366, 9882, 11163, 11529, 12042, 13603, 14049, 14884, 15372, 18063, 18732, 19764, 22326, 23058, 24084, 26047, 27206, 28098, 33489, 34587, 36126, 40809, 42147, 44652, 46116, 52094, 54412, 56196, 66978, 69174, 72252, 78141, 81618, 84294, 95221, 100467, 104188, 122427, 126441, 133956, 138348, 156282, 163236, 168588, 190442, 200934, 234423, 244854, 252882, 285663, 301401, 312564, 367281, 380884, 401868, 468846, 489708, 505764, 571326, 602802, 703269, 734562, 829783, 856989, 937692, 1101843, 1142652, 1205604, 1406538, 1469124, 1659566, 1713978, 2109807, 2203686, 2489349, 2570967, 2813076, 3319132, 3427956, 4219614, 4407372, 4978698, 5141934, 5808481, 7468047, 7712901, 8439228, 9957396, 10283868, 11616962, 14936094, 15425802, 17425443, 22404141, 23233924, 29872188, 30851604, 34850886, 44808282, 52276329, 67212423, 69701772, 89616564, 104552658, 134424846, 156828987, 209105316, 268849692, 313657974, 470486961, 627315948, 940973922, 1881947844]

約数ペア:

[(1, 1881947844), (2, 940973922), (3, 627315948), (4, 470486961), (6, 313657974), (7, 268849692), (9, 209105316), (12, 156828987), (14, 134424846), (18, 104552658), (21, 89616564), (27, 69701772), (28, 67212423), (36, 52276329), (42, 44808282), (54, 34850886), (61, 30851604), (63, 29872188), (81, 23233924), (84, 22404141), (108, 17425443), (122, 15425802), (126, 14936094), (162, 11616962), (183, 10283868), (189, 9957396), (223, 8439228), (244, 7712901), (252, 7468047), (324, 5808481), (366, 5141934), (378, 4978698), (427, 4407372), (446, 4219614), (549, 3427956), (567, 3319132), (669, 2813076), (732, 2570967), (756, 2489349), (854, 2203686), (892, 2109807), (1098, 1713978), (1134, 1659566), (1281, 1469124), (1338, 1406538), (1561, 1205604), (1647, 1142652), (1708, 1101843), (2007, 937692), (2196, 856989), (2268, 829783), (2562, 734562), (2676, 703269), (3122, 602802), (3294, 571326), (3721, 505764), (3843, 489708), (4014, 468846), (4683, 401868), (4941, 380884), (5124, 367281), (6021, 312564), (6244, 301401), (6588, 285663), (7442, 252882), (7686, 244854), (8028, 234423), (9366, 200934), (9882, 190442), (11163, 168588), (11529, 163236), (12042, 156282), (13603, 138348), (14049, 133956), (14884, 126441), (15372, 122427), (18063, 104188), (18732, 100467), (19764, 95221), (22326, 84294), (23058, 81618), (24084, 78141), (26047, 72252), (27206, 69174), (28098, 66978), (33489, 56196), (34587, 54412), (36126, 52094), (40809, 46116), (42147, 44652)]