256622402

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{27779}}^1$

素因数の和:27961

約数の個数: 16

約数和(自身を含む): 400032000

約数和(自身を除く): 143409598

約数列:

[1, 2, 31, 62, 149, 298, 4619, 9238, 27779, 55558, 861149, 1722298, 4139071, 8278142, 128311201, 256622402]

約数ペア:

[(1, 256622402), (2, 128311201), (31, 8278142), (62, 4139071), (149, 1722298), (298, 861149), (4619, 55558), (9238, 27779)]