13091272

素因数分解:

$2^3\times {\mathrm{409}}^1\times {\mathrm{4001}}^1$

素因数の和:4416

約数の個数: 16

約数和(自身を含む): 24612300

約数和(自身を除く): 11521028

約数列:

[1, 2, 4, 8, 409, 818, 1636, 3272, 4001, 8002, 16004, 32008, 1636409, 3272818, 6545636, 13091272]

約数ペア:

[(1, 13091272), (2, 6545636), (4, 3272818), (8, 1636409), (409, 32008), (818, 16004), (1636, 8002), (3272, 4001)]