678399056

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{695081}}^1$

素因数の和:695150

約数の個数: 20

約数和(自身を含む): 1335947604

約数和(自身を除く): 657548548

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 695081, 1390162, 2780324, 5560648, 11121296, 42399941, 84799882, 169599764, 339199528, 678399056]

約数ペア:

[(1, 678399056), (2, 339199528), (4, 169599764), (8, 84799882), (16, 42399941), (61, 11121296), (122, 5560648), (244, 2780324), (488, 1390162), (976, 695081)]