394390472

素因数分解:

$2^3\times 7^1\times {\mathrm{331}}^1\times {\mathrm{21277}}^1$

素因数の和:21621

約数の個数: 32

約数和(自身を含む): 847715520

約数和(自身を除く): 453325048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 331, 662, 1324, 2317, 2648, 4634, 9268, 18536, 21277, 42554, 85108, 148939, 170216, 297878, 595756, 1191512, 7042687, 14085374, 28170748, 49298809, 56341496, 98597618, 197195236, 394390472]

約数ペア:

[(1, 394390472), (2, 197195236), (4, 98597618), (7, 56341496), (8, 49298809), (14, 28170748), (28, 14085374), (56, 7042687), (331, 1191512), (662, 595756), (1324, 297878), (2317, 170216), (2648, 148939), (4634, 85108), (9268, 42554), (18536, 21277)]