212499455

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 300810240

約数和(自身を除く): 88310785

約数列:

[1, 5, 7, 35, 47, 101, 235, 329, 505, 707, 1279, 1645, 3535, 4747, 6395, 8953, 23735, 33229, 44765, 60113, 129179, 166145, 300565, 420791, 645895, 904253, 2103955, 4521265, 6071413, 30357065, 42499891, 212499455]

約数ペア:

[(1, 212499455), (5, 42499891), (7, 30357065), (35, 6071413), (47, 4521265), (101, 2103955), (235, 904253), (329, 645895), (505, 420791), (707, 300565), (1279, 166145), (1645, 129179), (3535, 60113), (4747, 44765), (6395, 33229), (8953, 23735)]