399507178

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1\times {\mathrm{691}}^1$

素因数の和:1438

約数の個数: 32

約数和(自身を含む): 698133888

約数和(自身を除く): 298626710

約数列:

[1, 2, 7, 14, 61, 122, 427, 677, 691, 854, 1354, 1382, 4739, 4837, 9478, 9674, 41297, 42151, 82594, 84302, 289079, 295057, 467807, 578158, 590114, 935614, 3274649, 6549298, 28536227, 57072454, 199753589, 399507178]

約数ペア:

[(1, 399507178), (2, 199753589), (7, 57072454), (14, 28536227), (61, 6549298), (122, 3274649), (427, 935614), (677, 590114), (691, 578158), (854, 467807), (1354, 295057), (1382, 289079), (4739, 84302), (4837, 82594), (9478, 42151), (9674, 41297)]