1311245954

素因数分解:

$2^1\times {\mathrm{431}}^1\times {\mathrm{557}}^1\times {\mathrm{2731}}^1$

素因数の和:3721

約数の個数: 16

約数和(自身を含む): 1975694976

約数和(自身を除く): 664449022

約数列:

[1, 2, 431, 557, 862, 1114, 2731, 5462, 240067, 480134, 1177061, 1521167, 2354122, 3042334, 655622977, 1311245954]

約数ペア:

[(1, 1311245954), (2, 655622977), (431, 3042334), (557, 2354122), (862, 1521167), (1114, 1177061), (2731, 480134), (5462, 240067)]