31719928

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{4001}}^1$

素因数の和:4998

約数の個数: 16

約数和(自身を含む): 59549760

約数和(自身を除く): 27829832

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 4001, 7928, 8002, 16004, 32008, 3964991, 7929982, 15859964, 31719928]

約数ペア:

[(1, 31719928), (2, 15859964), (4, 7929982), (8, 3964991), (991, 32008), (1982, 16004), (3964, 8002), (4001, 7928)]