213128210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{495647}}^1$

素因数の和:495697

約数の個数: 16

約数和(自身を含む): 392553216

約数和(自身を除く): 179425006

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 495647, 991294, 2478235, 4956470, 21312821, 42625642, 106564105, 213128210]

約数ペア:

[(1, 213128210), (2, 106564105), (5, 42625642), (10, 21312821), (43, 4956470), (86, 2478235), (215, 991294), (430, 495647)]