31299970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{240769}}^1$

素因数の和:240789

約数の個数: 16

約数和(自身を含む): 60674040

約数和(自身を除く): 29374070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 240769, 481538, 1203845, 2407690, 3129997, 6259994, 15649985, 31299970]

約数ペア:

[(1, 31299970), (2, 15649985), (5, 6259994), (10, 3129997), (13, 2407690), (26, 1203845), (65, 481538), (130, 240769)]