128857158

素因数分解:

$2^1\times 3^2\times {\mathrm{181}}^1\times {\mathrm{39551}}^1$

素因数の和:39740

約数の個数: 24

約数和(自身を含む): 280740096

約数和(自身を除く): 151882938

約数列:

[1, 2, 3, 6, 9, 18, 181, 362, 543, 1086, 1629, 3258, 39551, 79102, 118653, 237306, 355959, 711918, 7158731, 14317462, 21476193, 42952386, 64428579, 128857158]

約数ペア:

[(1, 128857158), (2, 64428579), (3, 42952386), (6, 21476193), (9, 14317462), (18, 7158731), (181, 711918), (362, 355959), (543, 237306), (1086, 118653), (1629, 79102), (3258, 39551)]