645225266

素因数分解:

$2^1\times 7^1\times {\mathrm{4001}}^1\times {\mathrm{11519}}^1$

素因数の和:15529

約数の個数: 16

約数和(自身を含む): 1106472960

約数和(自身を除く): 461247694

約数列:

[1, 2, 7, 14, 4001, 8002, 11519, 23038, 28007, 56014, 80633, 161266, 46087519, 92175038, 322612633, 645225266]

約数ペア:

[(1, 645225266), (2, 322612633), (7, 92175038), (14, 46087519), (4001, 161266), (8002, 80633), (11519, 56014), (23038, 28007)]