2021567405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{122929}}^1$

素因数の和:122981

約数の個数: 32

約数和(自身を含む): 2973922560

約数和(自身を除く): 952355155

約数列:

[1, 5, 11, 13, 23, 55, 65, 115, 143, 253, 299, 715, 1265, 1495, 3289, 16445, 122929, 614645, 1352219, 1598077, 2827367, 6761095, 7990385, 14136835, 17578847, 31101037, 36755771, 87894235, 155505185, 183778855, 404313481, 2021567405]

約数ペア:

[(1, 2021567405), (5, 404313481), (11, 183778855), (13, 155505185), (23, 87894235), (55, 36755771), (65, 31101037), (115, 17578847), (143, 14136835), (253, 7990385), (299, 6761095), (715, 2827367), (1265, 1598077), (1495, 1352219), (3289, 614645), (16445, 122929)]