100991735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1571}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 139442688

約数和(自身を除く): 38450953

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 559, 989, 1495, 1571, 2795, 4945, 7855, 12857, 20423, 36133, 64285, 67553, 102115, 180665, 337765, 469729, 878189, 1553719, 2348645, 4390945, 7768595, 20198347, 100991735]

約数ペア:

[(1, 100991735), (5, 20198347), (13, 7768595), (23, 4390945), (43, 2348645), (65, 1553719), (115, 878189), (215, 469729), (299, 337765), (559, 180665), (989, 102115), (1495, 67553), (1571, 64285), (2795, 36133), (4945, 20423), (7855, 12857)]