71265955

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{149}}^1\times {\mathrm{331}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 91731600

約数和(自身を除く): 20465645

約数列:

[1, 5, 17, 85, 149, 289, 331, 745, 1445, 1655, 2533, 5627, 12665, 28135, 43061, 49319, 95659, 215305, 246595, 478295, 838423, 4192115, 14253191, 71265955]

約数ペア:

[(1, 71265955), (5, 14253191), (17, 4192115), (85, 838423), (149, 478295), (289, 246595), (331, 215305), (745, 95659), (1445, 49319), (1655, 43061), (2533, 28135), (5627, 12665)]