40407578

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1\times {\mathrm{761}}^1$

素因数の和:1093

約数の個数: 16

約数和(自身を含む): 61447680

約数和(自身を除く): 21040102

約数列:

[1, 2, 139, 191, 278, 382, 761, 1522, 26549, 53098, 105779, 145351, 211558, 290702, 20203789, 40407578]

約数ペア:

[(1, 40407578), (2, 20203789), (139, 290702), (191, 211558), (278, 145351), (382, 105779), (761, 53098), (1522, 26549)]