251116415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{1109}}^1$

素因数の和:1327

約数の個数: 32

約数和(自身を含む): 345254400

約数和(自身を除く): 94137985

約数列:

[1, 5, 11, 23, 55, 115, 179, 253, 895, 1109, 1265, 1969, 4117, 5545, 9845, 12199, 20585, 25507, 45287, 60995, 127535, 198511, 226435, 280577, 992555, 1402885, 2183621, 4565753, 10918105, 22828765, 50223283, 251116415]

約数ペア:

[(1, 251116415), (5, 50223283), (11, 22828765), (23, 10918105), (55, 4565753), (115, 2183621), (179, 1402885), (253, 992555), (895, 280577), (1109, 226435), (1265, 198511), (1969, 127535), (4117, 60995), (5545, 45287), (9845, 25507), (12199, 20585)]