90943970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53813}}^1$

素因数の和:53846

約数の個数: 24

約数和(自身を含む): 177263316

約数和(自身を除く): 86319346

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 53813, 107626, 269065, 538130, 699569, 1399138, 3497845, 6995690, 9094397, 18188794, 45471985, 90943970]

約数ペア:

[(1, 90943970), (2, 45471985), (5, 18188794), (10, 9094397), (13, 6995690), (26, 3497845), (65, 1399138), (130, 699569), (169, 538130), (338, 269065), (845, 107626), (1690, 53813)]