12581275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4229}}^1$

素因数の和:4263

約数の個数: 24

約数和(自身を含む): 18882720

約数和(自身を除く): 6301445

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 4229, 21145, 29603, 71893, 105725, 148015, 359465, 503251, 740075, 1797325, 2516255, 12581275]

約数ペア:

[(1, 12581275), (5, 2516255), (7, 1797325), (17, 740075), (25, 503251), (35, 359465), (85, 148015), (119, 105725), (175, 71893), (425, 29603), (595, 21145), (2975, 4229)]