168289268

素因数分解:

$2^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{12241}}^1$

素因数の和:12743

約数の個数: 24

約数和(自身を含む): 337291584

約数和(自身を除く): 169002316

約数列:

[1, 2, 4, 7, 14, 28, 491, 982, 1964, 3437, 6874, 12241, 13748, 24482, 48964, 85687, 171374, 342748, 6010331, 12020662, 24041324, 42072317, 84144634, 168289268]

約数ペア:

[(1, 168289268), (2, 84144634), (4, 42072317), (7, 24041324), (14, 12020662), (28, 6010331), (491, 342748), (982, 171374), (1964, 85687), (3437, 48964), (6874, 24482), (12241, 13748)]