81044912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12569}}^1$

素因数の和:12621

約数の個数: 40

約数和(自身を含む): 174572160

約数和(自身を除く): 93527248

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 12569, 25138, 50276, 100552, 163397, 201104, 326794, 389639, 653588, 779278, 1307176, 1558556, 2614352, 3117112, 5065307, 6234224, 10130614, 20261228, 40522456, 81044912]

約数ペア:

[(1, 81044912), (2, 40522456), (4, 20261228), (8, 10130614), (13, 6234224), (16, 5065307), (26, 3117112), (31, 2614352), (52, 1558556), (62, 1307176), (104, 779278), (124, 653588), (208, 389639), (248, 326794), (403, 201104), (496, 163397), (806, 100552), (1612, 50276), (3224, 25138), (6448, 12569)]