81879588

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{349}}^1$

素因数の和:399

約数の個数: 144

約数和(自身を含む): 254800000

約数和(自身を除く): 172920412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 49, 57, 63, 76, 84, 98, 114, 126, 133, 147, 171, 196, 228, 252, 266, 294, 342, 343, 349, 399, 441, 532, 588, 684, 686, 698, 798, 882, 931, 1029, 1047, 1197, 1372, 1396, 1596, 1764, 1862, 2058, 2094, 2394, 2443, 2793, 3087, 3141, 3724, 4116, 4188, 4788, 4886, 5586, 6174, 6282, 6517, 6631, 7329, 8379, 9772, 11172, 12348, 12564, 13034, 13262, 14658, 16758, 17101, 19551, 19893, 21987, 26068, 26524, 29316, 33516, 34202, 39102, 39786, 43974, 46417, 51303, 58653, 59679, 68404, 78204, 79572, 87948, 92834, 102606, 117306, 119358, 119707, 139251, 153909, 185668, 205212, 234612, 238716, 239414, 278502, 307818, 324919, 359121, 417753, 478828, 557004, 615636, 649838, 718242, 835506, 974757, 1077363, 1299676, 1436484, 1671012, 1949514, 2154726, 2274433, 2924271, 3899028, 4309452, 4548866, 5848542, 6823299, 9097732, 11697084, 13646598, 20469897, 27293196, 40939794, 81879588]

約数ペア:

[(1, 81879588), (2, 40939794), (3, 27293196), (4, 20469897), (6, 13646598), (7, 11697084), (9, 9097732), (12, 6823299), (14, 5848542), (18, 4548866), (19, 4309452), (21, 3899028), (28, 2924271), (36, 2274433), (38, 2154726), (42, 1949514), (49, 1671012), (57, 1436484), (63, 1299676), (76, 1077363), (84, 974757), (98, 835506), (114, 718242), (126, 649838), (133, 615636), (147, 557004), (171, 478828), (196, 417753), (228, 359121), (252, 324919), (266, 307818), (294, 278502), (342, 239414), (343, 238716), (349, 234612), (399, 205212), (441, 185668), (532, 153909), (588, 139251), (684, 119707), (686, 119358), (698, 117306), (798, 102606), (882, 92834), (931, 87948), (1029, 79572), (1047, 78204), (1197, 68404), (1372, 59679), (1396, 58653), (1596, 51303), (1764, 46417), (1862, 43974), (2058, 39786), (2094, 39102), (2394, 34202), (2443, 33516), (2793, 29316), (3087, 26524), (3141, 26068), (3724, 21987), (4116, 19893), (4188, 19551), (4788, 17101), (4886, 16758), (5586, 14658), (6174, 13262), (6282, 13034), (6517, 12564), (6631, 12348), (7329, 11172), (8379, 9772)]