407760730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{7669}}^1$

素因数の和:8098

約数の個数: 32

約数和(自身を含む): 792464400

約数和(自身を除く): 384703670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 2045, 4090, 5317, 7669, 10634, 15338, 26585, 38345, 53170, 76690, 99697, 199394, 498485, 996970, 3136621, 6273242, 15683105, 31366210, 40776073, 81552146, 203880365, 407760730]

約数ペア:

[(1, 407760730), (2, 203880365), (5, 81552146), (10, 40776073), (13, 31366210), (26, 15683105), (65, 6273242), (130, 3136621), (409, 996970), (818, 498485), (2045, 199394), (4090, 99697), (5317, 76690), (7669, 53170), (10634, 38345), (15338, 26585)]