68854786

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 140184576

約数和(自身を除く): 71329790

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 163, 182, 211, 286, 326, 422, 1001, 1141, 1477, 1793, 2002, 2119, 2282, 2321, 2743, 2954, 3586, 4238, 4642, 5486, 12551, 14833, 16247, 19201, 23309, 25102, 29666, 30173, 32494, 34393, 38402, 46618, 60346, 68786, 163163, 211211, 240751, 326326, 378323, 422422, 447109, 481502, 756646, 894218, 2648261, 3129763, 4918199, 5296522, 6259526, 9836398, 34427393, 68854786]

約数ペア:

[(1, 68854786), (2, 34427393), (7, 9836398), (11, 6259526), (13, 5296522), (14, 4918199), (22, 3129763), (26, 2648261), (77, 894218), (91, 756646), (143, 481502), (154, 447109), (163, 422422), (182, 378323), (211, 326326), (286, 240751), (326, 211211), (422, 163163), (1001, 68786), (1141, 60346), (1477, 46618), (1793, 38402), (2002, 34393), (2119, 32494), (2282, 30173), (2321, 29666), (2743, 25102), (2954, 23309), (3586, 19201), (4238, 16247), (4642, 14833), (5486, 12551)]