40238978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{29201}}^1$

素因数の和:29269

約数の個数: 16

約数和(自身を含む): 66230136

約数和(自身を除く): 25991158

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 29201, 58402, 379613, 759226, 1547653, 3095306, 20119489, 40238978]

約数ペア:

[(1, 40238978), (2, 20119489), (13, 3095306), (26, 1547653), (53, 759226), (106, 379613), (689, 58402), (1378, 29201)]