120831728

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{123803}}^1$

素因数の和:123872

約数の個数: 20

約数和(自身を含む): 237951288

約数和(自身を除く): 117119560

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 123803, 247606, 495212, 990424, 1980848, 7551983, 15103966, 30207932, 60415864, 120831728]

約数ペア:

[(1, 120831728), (2, 60415864), (4, 30207932), (8, 15103966), (16, 7551983), (61, 1980848), (122, 990424), (244, 495212), (488, 247606), (976, 123803)]