278801068

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 625393664

約数和(自身を除く): 346592596

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 37, 52, 74, 91, 127, 148, 163, 182, 254, 259, 326, 364, 481, 508, 518, 652, 889, 962, 1036, 1141, 1651, 1778, 1924, 2119, 2282, 3302, 3367, 3556, 4238, 4564, 4699, 6031, 6604, 6734, 8476, 9398, 11557, 12062, 13468, 14833, 18796, 20701, 23114, 24124, 29666, 32893, 41402, 42217, 46228, 59332, 61087, 65786, 78403, 82804, 84434, 122174, 131572, 144907, 156806, 168868, 244348, 269113, 289814, 313612, 427609, 538226, 548821, 579628, 765937, 855218, 1076452, 1097642, 1531874, 1710436, 1883791, 2195284, 3063748, 3767582, 5361559, 7535164, 9957181, 10723118, 19914362, 21446236, 39828724, 69700267, 139400534, 278801068]

約数ペア:

[(1, 278801068), (2, 139400534), (4, 69700267), (7, 39828724), (13, 21446236), (14, 19914362), (26, 10723118), (28, 9957181), (37, 7535164), (52, 5361559), (74, 3767582), (91, 3063748), (127, 2195284), (148, 1883791), (163, 1710436), (182, 1531874), (254, 1097642), (259, 1076452), (326, 855218), (364, 765937), (481, 579628), (508, 548821), (518, 538226), (652, 427609), (889, 313612), (962, 289814), (1036, 269113), (1141, 244348), (1651, 168868), (1778, 156806), (1924, 144907), (2119, 131572), (2282, 122174), (3302, 84434), (3367, 82804), (3556, 78403), (4238, 65786), (4564, 61087), (4699, 59332), (6031, 46228), (6604, 42217), (6734, 41402), (8476, 32893), (9398, 29666), (11557, 24124), (12062, 23114), (13468, 20701), (14833, 18796)]