81188996

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17789}}^1$

素因数の和:17963

約数の個数: 24

約数和(自身を含む): 163383360

約数和(自身を除く): 82194364

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 17789, 35578, 71156, 124523, 249046, 498092, 2899607, 5799214, 11598428, 20297249, 40594498, 81188996]

約数ペア:

[(1, 81188996), (2, 40594498), (4, 20297249), (7, 11598428), (14, 5799214), (28, 2899607), (163, 498092), (326, 249046), (652, 124523), (1141, 71156), (2282, 35578), (4564, 17789)]