81508486

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{6883}}^1$

素因数の和:7107

約数の個数: 16

約数和(自身を含む): 126885888

約数和(自身を除く): 45377402

約数列:

[1, 2, 31, 62, 191, 382, 5921, 6883, 11842, 13766, 213373, 426746, 1314653, 2629306, 40754243, 81508486]

約数ペア:

[(1, 81508486), (2, 40754243), (31, 2629306), (62, 1314653), (191, 426746), (382, 213373), (5921, 13766), (6883, 11842)]