678693988

素因数分解:

$2^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{292037}}^1$

素因数の和:292131

約数の個数: 24

約数和(自身を含む): 1373746752

約数和(自身を除く): 695052764

約数列:

[1, 2, 4, 7, 14, 28, 83, 166, 332, 581, 1162, 2324, 292037, 584074, 1168148, 2044259, 4088518, 8177036, 24239071, 48478142, 96956284, 169673497, 339346994, 678693988]

約数ペア:

[(1, 678693988), (2, 339346994), (4, 169673497), (7, 96956284), (14, 48478142), (28, 24239071), (83, 8177036), (166, 4088518), (332, 2044259), (581, 1168148), (1162, 584074), (2324, 292037)]