128302456

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{51239}}^1$

素因数の和:51558

約数の個数: 16

約数和(自身を含む): 241340400

約数和(自身を除く): 113037944

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 51239, 102478, 204956, 409912, 16037807, 32075614, 64151228, 128302456]

約数ペア:

[(1, 128302456), (2, 64151228), (4, 32075614), (8, 16037807), (313, 409912), (626, 204956), (1252, 102478), (2504, 51239)]