84272825

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2179}}^1$

素因数の和:2226

約数の個数: 48

約数和(自身を含む): 136241280

約数和(自身を除く): 51968455

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 2179, 2275, 2975, 5525, 7735, 10895, 15253, 28327, 37043, 38675, 54475, 76265, 141635, 185215, 198289, 259301, 381325, 481559, 708175, 926075, 991445, 1296505, 2407795, 3370913, 4957225, 6482525, 12038975, 16854565, 84272825]

約数ペア:

[(1, 84272825), (5, 16854565), (7, 12038975), (13, 6482525), (17, 4957225), (25, 3370913), (35, 2407795), (65, 1296505), (85, 991445), (91, 926075), (119, 708175), (175, 481559), (221, 381325), (325, 259301), (425, 198289), (455, 185215), (595, 141635), (1105, 76265), (1547, 54475), (2179, 38675), (2275, 37043), (2975, 28327), (5525, 15253), (7735, 10895)]