12127778

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{677}}^1$

素因数の和:758

約数の個数: 24

約数和(自身を含む): 20099988

約数和(自身を除く): 7972210

約数列:

[1, 2, 13, 26, 53, 106, 169, 338, 677, 689, 1354, 1378, 8801, 8957, 17602, 17914, 35881, 71762, 114413, 228826, 466453, 932906, 6063889, 12127778]

約数ペア:

[(1, 12127778), (2, 6063889), (13, 932906), (26, 466453), (53, 228826), (106, 114413), (169, 71762), (338, 35881), (677, 17914), (689, 17602), (1354, 8957), (1378, 8801)]