71320205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{491}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 99187200

約数和(自身を除く): 27866995

約数列:

[1, 5, 11, 19, 55, 95, 139, 209, 491, 695, 1045, 1529, 2455, 2641, 5401, 7645, 9329, 13205, 27005, 29051, 46645, 68249, 102619, 145255, 341245, 513095, 750739, 1296731, 3753695, 6483655, 14264041, 71320205]

約数ペア:

[(1, 71320205), (5, 14264041), (11, 6483655), (19, 3753695), (55, 1296731), (95, 750739), (139, 513095), (209, 341245), (491, 145255), (695, 102619), (1045, 68249), (1529, 46645), (2455, 29051), (2641, 27005), (5401, 13205), (7645, 9329)]