81592990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{739}}^1$

素因数の和:988

約数の個数: 32

約数和(自身を含む): 150302880

約数和(自身を除く): 68709890

約数列:

[1, 2, 5, 10, 61, 122, 181, 305, 362, 610, 739, 905, 1478, 1810, 3695, 7390, 11041, 22082, 45079, 55205, 90158, 110410, 133759, 225395, 267518, 450790, 668795, 1337590, 8159299, 16318598, 40796495, 81592990]

約数ペア:

[(1, 81592990), (2, 40796495), (5, 16318598), (10, 8159299), (61, 1337590), (122, 668795), (181, 450790), (305, 267518), (362, 225395), (610, 133759), (739, 110410), (905, 90158), (1478, 55205), (1810, 45079), (3695, 22082), (7390, 11041)]