634783970

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{404321}}^1$

素因数の和:404485

約数の個数: 16

約数和(自身を含む): 1149891768

約数和(自身を除く): 515107798

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 404321, 808642, 2021605, 4043210, 63478397, 126956794, 317391985, 634783970]

約数ペア:

[(1, 634783970), (2, 317391985), (5, 126956794), (10, 63478397), (157, 4043210), (314, 2021605), (785, 808642), (1570, 404321)]