82816825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{617}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 128741760

約数和(自身を除く): 45924935

約数列:

[1, 5, 7, 13, 25, 35, 59, 65, 91, 175, 295, 325, 413, 455, 617, 767, 1475, 2065, 2275, 3085, 3835, 4319, 5369, 8021, 10325, 15425, 19175, 21595, 26845, 36403, 40105, 56147, 107975, 134225, 182015, 200525, 254821, 280735, 473239, 910075, 1274105, 1403675, 2366195, 3312673, 6370525, 11830975, 16563365, 82816825]

約数ペア:

[(1, 82816825), (5, 16563365), (7, 11830975), (13, 6370525), (25, 3312673), (35, 2366195), (59, 1403675), (65, 1274105), (91, 910075), (175, 473239), (295, 280735), (325, 254821), (413, 200525), (455, 182015), (617, 134225), (767, 107975), (1475, 56147), (2065, 40105), (2275, 36403), (3085, 26845), (3835, 21595), (4319, 19175), (5369, 15425), (8021, 10325)]