128515514

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{3821}}^1$

素因数の和:4141

約数の個数: 16

約数和(自身を含む): 196481376

約数和(自身を除く): 67965862

約数列:

[1, 2, 67, 134, 251, 502, 3821, 7642, 16817, 33634, 256007, 512014, 959071, 1918142, 64257757, 128515514]

約数ペア:

[(1, 128515514), (2, 64257757), (67, 1918142), (134, 959071), (251, 512014), (502, 256007), (3821, 33634), (7642, 16817)]