209105316

素因数分解:

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

素因数の和:362

約数の個数: 108

約数和(自身を含む): 616901376

約数和(自身を除く): 407796060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 223, 244, 252, 366, 427, 446, 549, 669, 732, 854, 892, 1098, 1281, 1338, 1561, 1708, 2007, 2196, 2562, 2676, 3122, 3721, 3843, 4014, 4683, 5124, 6244, 7442, 7686, 8028, 9366, 11163, 13603, 14049, 14884, 15372, 18732, 22326, 26047, 27206, 28098, 33489, 40809, 44652, 52094, 54412, 56196, 66978, 78141, 81618, 95221, 104188, 122427, 133956, 156282, 163236, 190442, 234423, 244854, 285663, 312564, 380884, 468846, 489708, 571326, 829783, 856989, 937692, 1142652, 1659566, 1713978, 2489349, 3319132, 3427956, 4978698, 5808481, 7468047, 9957396, 11616962, 14936094, 17425443, 23233924, 29872188, 34850886, 52276329, 69701772, 104552658, 209105316]

約数ペア:

[(1, 209105316), (2, 104552658), (3, 69701772), (4, 52276329), (6, 34850886), (7, 29872188), (9, 23233924), (12, 17425443), (14, 14936094), (18, 11616962), (21, 9957396), (28, 7468047), (36, 5808481), (42, 4978698), (61, 3427956), (63, 3319132), (84, 2489349), (122, 1713978), (126, 1659566), (183, 1142652), (223, 937692), (244, 856989), (252, 829783), (366, 571326), (427, 489708), (446, 468846), (549, 380884), (669, 312564), (732, 285663), (854, 244854), (892, 234423), (1098, 190442), (1281, 163236), (1338, 156282), (1561, 133956), (1708, 122427), (2007, 104188), (2196, 95221), (2562, 81618), (2676, 78141), (3122, 66978), (3721, 56196), (3843, 54412), (4014, 52094), (4683, 44652), (5124, 40809), (6244, 33489), (7442, 28098), (7686, 27206), (8028, 26047), (9366, 22326), (11163, 18732), (13603, 15372), (14049, 14884)]