1220019970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9384769}}^1$

素因数の和:9384789

約数の個数: 16

約数和(自身を含む): 2364962040

約数和(自身を除く): 1144942070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9384769, 18769538, 46923845, 93847690, 122001997, 244003994, 610009985, 1220019970]

約数ペア:

[(1, 1220019970), (2, 610009985), (5, 244003994), (10, 122001997), (13, 93847690), (26, 46923845), (65, 18769538), (130, 9384769)]