645822028

素因数分解:

$2^2\times {\mathrm{2447}}^1\times {\mathrm{65981}}^1$

素因数の和:68432

約数の個数: 12

約数和(自身を含む): 1130667552

約数和(自身を除く): 484845524

約数列:

[1, 2, 4, 2447, 4894, 9788, 65981, 131962, 263924, 161455507, 322911014, 645822028]

約数ペア:

[(1, 645822028), (2, 322911014), (4, 161455507), (2447, 263924), (4894, 131962), (9788, 65981)]