81730792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71443}}^1$

素因数の和:71473

約数の個数: 32

約数和(自身を含む): 180038880

約数和(自身を除く): 98308088

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 71443, 142886, 285772, 571544, 785873, 928759, 1571746, 1857518, 3143492, 3715036, 6286984, 7430072, 10216349, 20432698, 40865396, 81730792]

約数ペア:

[(1, 81730792), (2, 40865396), (4, 20432698), (8, 10216349), (11, 7430072), (13, 6286984), (22, 3715036), (26, 3143492), (44, 1857518), (52, 1571746), (88, 928759), (104, 785873), (143, 571544), (286, 285772), (572, 142886), (1144, 71443)]