28147525

素因数分解:

$5^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3923}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 40872384

約数和(自身を除く): 12724859

約数列:

[1, 5, 7, 25, 35, 41, 175, 205, 287, 1025, 1435, 3923, 7175, 19615, 27461, 98075, 137305, 160843, 686525, 804215, 1125901, 4021075, 5629505, 28147525]

約数ペア:

[(1, 28147525), (5, 5629505), (7, 4021075), (25, 1125901), (35, 804215), (41, 686525), (175, 160843), (205, 137305), (287, 98075), (1025, 27461), (1435, 19615), (3923, 7175)]