640984848

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1907693}}^1$

素因数の和:1907711

約数の個数: 40

約数和(自身を含む): 1892432448

約数和(自身を除く): 1251447600

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1907693, 3815386, 5723079, 7630772, 11446158, 13353851, 15261544, 22892316, 26707702, 30523088, 40061553, 45784632, 53415404, 80123106, 91569264, 106830808, 160246212, 213661616, 320492424, 640984848]

約数ペア:

[(1, 640984848), (2, 320492424), (3, 213661616), (4, 160246212), (6, 106830808), (7, 91569264), (8, 80123106), (12, 53415404), (14, 45784632), (16, 40061553), (21, 30523088), (24, 26707702), (28, 22892316), (42, 15261544), (48, 13353851), (56, 11446158), (84, 7630772), (112, 5723079), (168, 3815386), (336, 1907693)]