81418376

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3119}}^1$

素因数の和:3389

約数の個数: 32

約数和(自身を含む): 165110400

約数和(自身を除く): 83692024

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 3119, 3263, 6238, 6526, 12476, 13052, 24952, 26104, 40547, 81094, 162188, 324376, 782869, 1565738, 3131476, 6262952, 10177297, 20354594, 40709188, 81418376]

約数ペア:

[(1, 81418376), (2, 40709188), (4, 20354594), (8, 10177297), (13, 6262952), (26, 3131476), (52, 1565738), (104, 782869), (251, 324376), (502, 162188), (1004, 81094), (2008, 40547), (3119, 26104), (3263, 24952), (6238, 13052), (6526, 12476)]