68378856

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:399

約数の個数: 128

約数和(自身を含む): 212889600

約数和(自身を除く): 144510744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 131, 156, 168, 182, 239, 262, 273, 312, 364, 393, 478, 524, 546, 717, 728, 786, 917, 956, 1048, 1092, 1434, 1572, 1673, 1703, 1834, 1912, 2184, 2751, 2868, 3107, 3144, 3346, 3406, 3668, 5019, 5109, 5502, 5736, 6214, 6692, 6812, 7336, 9321, 10038, 10218, 11004, 11921, 12428, 13384, 13624, 18642, 20076, 20436, 21749, 22008, 23842, 24856, 31309, 35763, 37284, 40152, 40872, 43498, 47684, 62618, 65247, 71526, 74568, 86996, 93927, 95368, 125236, 130494, 143052, 173992, 187854, 219163, 250472, 260988, 286104, 375708, 407017, 438326, 521976, 657489, 751416, 814034, 876652, 1221051, 1314978, 1628068, 1753304, 2442102, 2629956, 2849119, 3256136, 4884204, 5259912, 5698238, 8547357, 9768408, 11396476, 17094714, 22792952, 34189428, 68378856]

約数ペア:

[(1, 68378856), (2, 34189428), (3, 22792952), (4, 17094714), (6, 11396476), (7, 9768408), (8, 8547357), (12, 5698238), (13, 5259912), (14, 4884204), (21, 3256136), (24, 2849119), (26, 2629956), (28, 2442102), (39, 1753304), (42, 1628068), (52, 1314978), (56, 1221051), (78, 876652), (84, 814034), (91, 751416), (104, 657489), (131, 521976), (156, 438326), (168, 407017), (182, 375708), (239, 286104), (262, 260988), (273, 250472), (312, 219163), (364, 187854), (393, 173992), (478, 143052), (524, 130494), (546, 125236), (717, 95368), (728, 93927), (786, 86996), (917, 74568), (956, 71526), (1048, 65247), (1092, 62618), (1434, 47684), (1572, 43498), (1673, 40872), (1703, 40152), (1834, 37284), (1912, 35763), (2184, 31309), (2751, 24856), (2868, 23842), (3107, 22008), (3144, 21749), (3346, 20436), (3406, 20076), (3668, 18642), (5019, 13624), (5109, 13384), (5502, 12428), (5736, 11921), (6214, 11004), (6692, 10218), (6812, 10038), (7336, 9321)]