138580912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{279397}}^1$

素因数の和:279436

約数の個数: 20

約数和(自身を含む): 277162816

約数和(自身を除く): 138581904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 279397, 558794, 1117588, 2235176, 4470352, 8661307, 17322614, 34645228, 69290456, 138580912]

約数ペア:

[(1, 138580912), (2, 69290456), (4, 34645228), (8, 17322614), (16, 8661307), (31, 4470352), (62, 2235176), (124, 1117588), (248, 558794), (496, 279397)]