7821275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 12856320

約数和(自身を除く): 5035045

約数列:

[1, 5, 7, 11, 17, 25, 35, 55, 77, 85, 119, 175, 187, 239, 275, 385, 425, 595, 935, 1195, 1309, 1673, 1925, 2629, 2975, 4063, 4675, 5975, 6545, 8365, 13145, 18403, 20315, 28441, 32725, 41825, 44693, 65725, 92015, 101575, 142205, 223465, 312851, 460075, 711025, 1117325, 1564255, 7821275]

約数ペア:

[(1, 7821275), (5, 1564255), (7, 1117325), (11, 711025), (17, 460075), (25, 312851), (35, 223465), (55, 142205), (77, 101575), (85, 92015), (119, 65725), (175, 44693), (187, 41825), (239, 32725), (275, 28441), (385, 20315), (425, 18403), (595, 13145), (935, 8365), (1195, 6545), (1309, 5975), (1673, 4675), (1925, 4063), (2629, 2975)]