31429762

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 62496000

約数和(自身を除く): 31066238

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 61, 91, 122, 133, 149, 182, 247, 266, 298, 427, 494, 793, 854, 1043, 1159, 1586, 1729, 1937, 2086, 2318, 2831, 3458, 3874, 5551, 5662, 8113, 9089, 11102, 13559, 15067, 16226, 18178, 19817, 27118, 30134, 36803, 39634, 63623, 73606, 105469, 118157, 127246, 172691, 210938, 236314, 257621, 345382, 515242, 827099, 1208837, 1654198, 2244983, 2417674, 4489966, 15714881, 31429762]

約数ペア:

[(1, 31429762), (2, 15714881), (7, 4489966), (13, 2417674), (14, 2244983), (19, 1654198), (26, 1208837), (38, 827099), (61, 515242), (91, 345382), (122, 257621), (133, 236314), (149, 210938), (182, 172691), (247, 127246), (266, 118157), (298, 105469), (427, 73606), (494, 63623), (793, 39634), (854, 36803), (1043, 30134), (1159, 27118), (1586, 19817), (1729, 18178), (1937, 16226), (2086, 15067), (2318, 13559), (2831, 11102), (3458, 9089), (3874, 8113), (5551, 5662)]