71997770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{5081}}^1$

素因数の和:5210

約数の個数: 32

約数和(自身を含む): 140873040

約数和(自身を除く): 68875270

約数列:

[1, 2, 5, 10, 13, 26, 65, 109, 130, 218, 545, 1090, 1417, 2834, 5081, 7085, 10162, 14170, 25405, 50810, 66053, 132106, 330265, 553829, 660530, 1107658, 2769145, 5538290, 7199777, 14399554, 35998885, 71997770]

約数ペア:

[(1, 71997770), (2, 35998885), (5, 14399554), (10, 7199777), (13, 5538290), (26, 2769145), (65, 1107658), (109, 660530), (130, 553829), (218, 330265), (545, 132106), (1090, 66053), (1417, 50810), (2834, 25405), (5081, 14170), (7085, 10162)]