12967690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:678

約数の個数: 32

約数和(自身を含む): 24805440

約数和(自身を除く): 11837750

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 521, 655, 1042, 1310, 2489, 2605, 4978, 5210, 9899, 12445, 19798, 24890, 49495, 68251, 98990, 136502, 341255, 682510, 1296769, 2593538, 6483845, 12967690]

約数ペア:

[(1, 12967690), (2, 6483845), (5, 2593538), (10, 1296769), (19, 682510), (38, 341255), (95, 136502), (131, 98990), (190, 68251), (262, 49495), (521, 24890), (655, 19798), (1042, 12445), (1310, 9899), (2489, 5210), (2605, 4978)]