90988630

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{128153}}^1$

素因数の和:128231

約数の個数: 16

約数和(自身を含む): 166087584

約数和(自身を除く): 75098954

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 128153, 256306, 640765, 1281530, 9098863, 18197726, 45494315, 90988630]

約数ペア:

[(1, 90988630), (2, 45494315), (5, 18197726), (10, 9098863), (71, 1281530), (142, 640765), (355, 256306), (710, 128153)]