81603262

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{19991}}^1$

素因数の和:20163

約数の個数: 16

約数和(自身を含む): 132666912

約数和(自身を除く): 51063650

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 19991, 39982, 259883, 519766, 3138587, 6277174, 40801631, 81603262]

約数ペア:

[(1, 81603262), (2, 40801631), (13, 6277174), (26, 3138587), (157, 519766), (314, 259883), (2041, 39982), (4082, 19991)]