248620710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{637489}}^1$

素因数の和:637512

約数の個数: 32

約数和(自身を含む): 642589920

約数和(自身を除く): 393969210

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 637489, 1274978, 1912467, 3187445, 3824934, 6374890, 8287357, 9562335, 16574714, 19124670, 24862071, 41436785, 49724142, 82873570, 124310355, 248620710]

約数ペア:

[(1, 248620710), (2, 124310355), (3, 82873570), (5, 49724142), (6, 41436785), (10, 24862071), (13, 19124670), (15, 16574714), (26, 9562335), (30, 8287357), (39, 6374890), (65, 3824934), (78, 3187445), (130, 1912467), (195, 1274978), (390, 637489)]