628236464

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:1089

約数の個数: 40

約数和(自身を含む): 1228701120

約数和(自身を除く): 600464656

約数列:

[1, 2, 4, 8, 16, 211, 379, 422, 491, 758, 844, 982, 1516, 1688, 1964, 3032, 3376, 3928, 6064, 7856, 79969, 103601, 159938, 186089, 207202, 319876, 372178, 414404, 639752, 744356, 828808, 1279504, 1488712, 1657616, 2977424, 39264779, 78529558, 157059116, 314118232, 628236464]

約数ペア:

[(1, 628236464), (2, 314118232), (4, 157059116), (8, 78529558), (16, 39264779), (211, 2977424), (379, 1657616), (422, 1488712), (491, 1279504), (758, 828808), (844, 744356), (982, 639752), (1516, 414404), (1688, 372178), (1964, 319876), (3032, 207202), (3376, 186089), (3928, 159938), (6064, 103601), (7856, 79969)]