681870017

素因数分解:

${\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{21211}}^1$

素因数の和:21320

約数の個数: 16

約数和(自身を含む): 757522944

約数和(自身を除く): 75652927

約数列:

[1, 17, 31, 61, 527, 1037, 1891, 21211, 32147, 360587, 657541, 1293871, 11178197, 21995807, 40110001, 681870017]

約数ペア:

[(1, 681870017), (17, 40110001), (31, 21995807), (61, 11178197), (527, 1293871), (1037, 657541), (1891, 360587), (21211, 32147)]