401968528

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{2437}}^1$

素因数の和:2532

約数の個数: 60

約数和(自身を含む): 857507988

約数和(自身を除く): 455539460

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 169, 208, 244, 338, 488, 676, 793, 976, 1352, 1586, 2437, 2704, 3172, 4874, 6344, 9748, 10309, 12688, 19496, 20618, 31681, 38992, 41236, 63362, 82472, 126724, 148657, 164944, 253448, 297314, 411853, 506896, 594628, 823706, 1189256, 1647412, 1932541, 2378512, 3294824, 3865082, 6589648, 7730164, 15460328, 25123033, 30920656, 50246066, 100492132, 200984264, 401968528]

約数ペア:

[(1, 401968528), (2, 200984264), (4, 100492132), (8, 50246066), (13, 30920656), (16, 25123033), (26, 15460328), (52, 7730164), (61, 6589648), (104, 3865082), (122, 3294824), (169, 2378512), (208, 1932541), (244, 1647412), (338, 1189256), (488, 823706), (676, 594628), (793, 506896), (976, 411853), (1352, 297314), (1586, 253448), (2437, 164944), (2704, 148657), (3172, 126724), (4874, 82472), (6344, 63362), (9748, 41236), (10309, 38992), (12688, 31681), (19496, 20618)]