639550392824

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{308663317}}^1$

素因数の和:308663367

約数の個数: 32

約数和(自身を含む): 1407504730080

約数和(自身を除く): 767954337256

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 308663317, 617326634, 1234653268, 2160643219, 2469306536, 4321286438, 8642572876, 11420542729, 17285145752, 22841085458, 45682170916, 79943799103, 91364341832, 159887598206, 319775196412, 639550392824]

約数ペア:

[(1, 639550392824), (2, 319775196412), (4, 159887598206), (7, 91364341832), (8, 79943799103), (14, 45682170916), (28, 22841085458), (37, 17285145752), (56, 11420542729), (74, 8642572876), (148, 4321286438), (259, 2469306536), (296, 2160643219), (518, 1234653268), (1036, 617326634), (2072, 308663317)]