128433972

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{81701}}^1$

素因数の和:81839

約数の個数: 24

約数和(自身を含む): 301970592

約数和(自身を除く): 173536620

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 81701, 163402, 245103, 326804, 490206, 980412, 10702831, 21405662, 32108493, 42811324, 64216986, 128433972]

約数ペア:

[(1, 128433972), (2, 64216986), (3, 42811324), (4, 32108493), (6, 21405662), (12, 10702831), (131, 980412), (262, 490206), (393, 326804), (524, 245103), (786, 163402), (1572, 81701)]