208847125

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{3389}}^1$

素因数の和:3450

約数の個数: 32

約数和(自身を含む): 285573600

約数和(自身を除く): 76726475

約数列:

[1, 5, 17, 25, 29, 85, 125, 145, 425, 493, 725, 2125, 2465, 3389, 3625, 12325, 16945, 57613, 61625, 84725, 98281, 288065, 423625, 491405, 1440325, 1670777, 2457025, 7201625, 8353885, 12285125, 41769425, 208847125]

約数ペア:

[(1, 208847125), (5, 41769425), (17, 12285125), (25, 8353885), (29, 7201625), (85, 2457025), (125, 1670777), (145, 1440325), (425, 491405), (493, 423625), (725, 288065), (2125, 98281), (2465, 84725), (3389, 61625), (3625, 57613), (12325, 16945)]