641569090

素因数分解:

$2^1\times 5^1\times {\mathrm{461}}^1\times {\mathrm{139169}}^1$

素因数の和:139637

約数の個数: 16

約数和(自身を含む): 1157337720

約数和(自身を除く): 515768630

約数列:

[1, 2, 5, 10, 461, 922, 2305, 4610, 139169, 278338, 695845, 1391690, 64156909, 128313818, 320784545, 641569090]

約数ペア:

[(1, 641569090), (2, 320784545), (5, 128313818), (10, 64156909), (461, 1391690), (922, 695845), (2305, 278338), (4610, 139169)]