28394575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1307}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 38926080

約数和(自身を除く): 10531505

約数列:

[1, 5, 11, 25, 55, 79, 275, 395, 869, 1307, 1975, 4345, 6535, 14377, 21725, 32675, 71885, 103253, 359425, 516265, 1135783, 2581325, 5678915, 28394575]

約数ペア:

[(1, 28394575), (5, 5678915), (11, 2581325), (25, 1135783), (55, 516265), (79, 359425), (275, 103253), (395, 71885), (869, 32675), (1307, 21725), (1975, 14377), (4345, 6535)]