212906015

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{14449}}^1$

素因数の和:14882

約数の個数: 16

約数和(自身を含む): 292699200

約数和(自身を除く): 79793185

約数列:

[1, 5, 7, 35, 421, 2105, 2947, 14449, 14735, 72245, 101143, 505715, 6083029, 30415145, 42581203, 212906015]

約数ペア:

[(1, 212906015), (5, 42581203), (7, 30415145), (35, 6083029), (421, 505715), (2105, 101143), (2947, 72245), (14449, 14735)]