123240316

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{390001}}^1$

素因数の和:390084

約数の個数: 12

約数和(自身を含む): 218401120

約数和(自身を除く): 95160804

約数列:

[1, 2, 4, 79, 158, 316, 390001, 780002, 1560004, 30810079, 61620158, 123240316]

約数ペア:

[(1, 123240316), (2, 61620158), (4, 30810079), (79, 1560004), (158, 780002), (316, 390001)]