16258990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1871}}^1$

素因数の和:1968

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 16089170

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 1871, 3742, 4345, 8690, 9355, 18710, 20581, 41162, 102905, 147809, 205810, 295618, 739045, 1478090, 1625899, 3251798, 8129495, 16258990]

約数ペア:

[(1, 16258990), (2, 8129495), (5, 3251798), (10, 1625899), (11, 1478090), (22, 739045), (55, 295618), (79, 205810), (110, 147809), (158, 102905), (395, 41162), (790, 20581), (869, 18710), (1738, 9355), (1871, 8690), (3742, 4345)]