77913745

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1571}}^1$

素因数の和:1705

約数の個数: 32

約数和(自身を含む): 116202240

約数和(自身を除く): 38288495

約数列:

[1, 5, 7, 13, 35, 65, 91, 109, 455, 545, 763, 1417, 1571, 3815, 7085, 7855, 9919, 10997, 20423, 49595, 54985, 102115, 142961, 171239, 714805, 856195, 1198673, 2226107, 5993365, 11130535, 15582749, 77913745]

約数ペア:

[(1, 77913745), (5, 15582749), (7, 11130535), (13, 5993365), (35, 2226107), (65, 1198673), (91, 856195), (109, 714805), (455, 171239), (545, 142961), (763, 102115), (1417, 54985), (1571, 49595), (3815, 20423), (7085, 10997), (7855, 9919)]