72139991

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8291}}^1$

素因数の和:8422

約数の個数: 16

約数和(自身を含む): 90747648

約数和(自身を除く): 18607657

約数列:

[1, 7, 11, 77, 113, 791, 1243, 8291, 8701, 58037, 91201, 638407, 936883, 6558181, 10305713, 72139991]

約数ペア:

[(1, 72139991), (7, 10305713), (11, 6558181), (77, 936883), (113, 638407), (791, 91201), (1243, 58037), (8291, 8701)]