28264225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1301}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 10483295

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 869, 1301, 1975, 4345, 6505, 14311, 21725, 32525, 71555, 102779, 357775, 513895, 1130569, 2569475, 5652845, 28264225]

約数ペア:

[(1, 28264225), (5, 5652845), (11, 2569475), (25, 1130569), (55, 513895), (79, 357775), (275, 102779), (395, 71555), (869, 32525), (1301, 21725), (1975, 14311), (4345, 6505)]