899059975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{3299}}^1$

素因数の和:4311

約数の個数: 24

約数和(自身を含む): 1217779200

約数和(自身を除く): 318719225

約数列:

[1, 5, 11, 25, 55, 275, 991, 3299, 4955, 10901, 16495, 24775, 36289, 54505, 82475, 181445, 272525, 907225, 3269309, 16346545, 35962399, 81732725, 179811995, 899059975]

約数ペア:

[(1, 899059975), (5, 179811995), (11, 81732725), (25, 35962399), (55, 16346545), (275, 3269309), (991, 907225), (3299, 272525), (4955, 181445), (10901, 82475), (16495, 54505), (24775, 36289)]