72720305

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{122219}}^1$

素因数の和:122248

約数の個数: 16

約数和(自身を含む): 105598080

約数和(自身を除く): 32877775

約数列:

[1, 5, 7, 17, 35, 85, 119, 595, 122219, 611095, 855533, 2077723, 4277665, 10388615, 14544061, 72720305]

約数ペア:

[(1, 72720305), (5, 14544061), (7, 10388615), (17, 4277665), (35, 2077723), (85, 855533), (119, 611095), (595, 122219)]