645441986

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{719}}^1\times {\mathrm{1733}}^1$

素因数の和:2498

約数の個数: 32

約数和(自身を含む): 1138613760

約数和(自身を除く): 493171774

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 719, 1438, 1733, 3466, 5033, 10066, 12131, 24262, 26603, 53206, 64121, 128242, 186221, 372442, 448847, 897694, 1246027, 2492054, 8722189, 17444378, 46102999, 92205998, 322720993, 645441986]

約数ペア:

[(1, 645441986), (2, 322720993), (7, 92205998), (14, 46102999), (37, 17444378), (74, 8722189), (259, 2492054), (518, 1246027), (719, 897694), (1438, 448847), (1733, 372442), (3466, 186221), (5033, 128242), (10066, 64121), (12131, 53206), (24262, 26603)]