640380842

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{74101}}^1$

素因数の和:74281

約数の個数: 16

約数和(自身を含む): 1000377000

約数和(自身を除く): 359996158

約数列:

[1, 2, 29, 58, 149, 298, 4321, 8642, 74101, 148202, 2148929, 4297858, 11041049, 22082098, 320190421, 640380842]

約数ペア:

[(1, 640380842), (2, 320190421), (29, 22082098), (58, 11041049), (149, 4297858), (298, 2148929), (4321, 148202), (8642, 74101)]