1290654

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:302

約数の個数: 40

約数和(自身を含む): 2996928

約数和(自身を除く): 1706274

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 257, 279, 514, 558, 771, 837, 1542, 1674, 2313, 2511, 4626, 5022, 6939, 7967, 13878, 15934, 20817, 23901, 41634, 47802, 71703, 143406, 215109, 430218, 645327, 1290654]

約数ペア:

[(1, 1290654), (2, 645327), (3, 430218), (6, 215109), (9, 143406), (18, 71703), (27, 47802), (31, 41634), (54, 23901), (62, 20817), (81, 15934), (93, 13878), (162, 7967), (186, 6939), (257, 5022), (279, 4626), (514, 2511), (558, 2313), (771, 1674), (837, 1542)]