28148575

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12373}}^1$

素因数の和:12403

約数の個数: 24

約数和(自身を含む): 42962528

約数和(自身を除く): 14813953

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 12373, 61865, 86611, 160849, 309325, 433055, 804245, 1125943, 2165275, 4021225, 5629715, 28148575]

約数ペア:

[(1, 28148575), (5, 5629715), (7, 4021225), (13, 2165275), (25, 1125943), (35, 804245), (65, 433055), (91, 309325), (175, 160849), (325, 86611), (455, 61865), (2275, 12373)]