401388632

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{1249}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 805875000

約数和(自身を除く): 404486368

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 278, 289, 556, 578, 1112, 1156, 1249, 2312, 2363, 2498, 4726, 4996, 9452, 9992, 18904, 21233, 40171, 42466, 80342, 84932, 160684, 169864, 173611, 321368, 347222, 360961, 694444, 721922, 1388888, 1443844, 2887688, 2951387, 5902774, 11805548, 23611096, 50173579, 100347158, 200694316, 401388632]

約数ペア:

[(1, 401388632), (2, 200694316), (4, 100347158), (8, 50173579), (17, 23611096), (34, 11805548), (68, 5902774), (136, 2951387), (139, 2887688), (278, 1443844), (289, 1388888), (556, 721922), (578, 694444), (1112, 360961), (1156, 347222), (1249, 321368), (2312, 173611), (2363, 169864), (2498, 160684), (4726, 84932), (4996, 80342), (9452, 42466), (9992, 40171), (18904, 21233)]