31761860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{9397}}^1$

素因数の和:9432

約数の個数: 36

約数和(自身を含む): 72233028

約数和(自身を除く): 40471168

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 9397, 18794, 37588, 46985, 93970, 122161, 187940, 244322, 488644, 610805, 1221610, 1588093, 2443220, 3176186, 6352372, 7940465, 15880930, 31761860]

約数ペア:

[(1, 31761860), (2, 15880930), (4, 7940465), (5, 6352372), (10, 3176186), (13, 2443220), (20, 1588093), (26, 1221610), (52, 610805), (65, 488644), (130, 244322), (169, 187940), (260, 122161), (338, 93970), (676, 46985), (845, 37588), (1690, 18794), (3380, 9397)]