666867838

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{15331}}^1$

素因数の和:15592

約数の個数: 32

約数和(自身を含む): 1236372480

約数和(自身を除く): 569504642

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 239, 478, 1673, 3107, 3346, 6214, 15331, 21749, 30662, 43498, 107317, 199303, 214634, 398606, 1395121, 2790242, 3664109, 7328218, 25648763, 47633417, 51297526, 95266834, 333433919, 666867838]

約数ペア:

[(1, 666867838), (2, 333433919), (7, 95266834), (13, 51297526), (14, 47633417), (26, 25648763), (91, 7328218), (182, 3664109), (239, 2790242), (478, 1395121), (1673, 398606), (3107, 214634), (3346, 199303), (6214, 107317), (15331, 43498), (21749, 30662)]