80481518

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{7681}}^1$

素因数の和:7740

約数の個数: 24

約数和(自身を含む): 134957376

約数和(自身を除く): 54475858

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 7681, 10478, 15362, 99853, 199706, 238111, 476222, 1298089, 2596178, 3095443, 6190886, 40240759, 80481518]

約数ペア:

[(1, 80481518), (2, 40240759), (13, 6190886), (26, 3095443), (31, 2596178), (62, 1298089), (169, 476222), (338, 238111), (403, 199706), (806, 99853), (5239, 15362), (7681, 10478)]