400245712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{806947}}^1$

素因数の和:806986

約数の個数: 20

約数和(自身を含む): 800492416

約数和(自身を除く): 400246704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 806947, 1613894, 3227788, 6455576, 12911152, 25015357, 50030714, 100061428, 200122856, 400245712]

約数ペア:

[(1, 400245712), (2, 200122856), (4, 100061428), (8, 50030714), (16, 25015357), (31, 12911152), (62, 6455576), (124, 3227788), (248, 1613894), (496, 806947)]