12960325

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2389}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 18967040

約数和(自身を除く): 6006715

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 775, 1085, 2389, 5425, 11945, 16723, 59725, 74059, 83615, 370295, 418075, 518413, 1851475, 2592065, 12960325]

約数ペア:

[(1, 12960325), (5, 2592065), (7, 1851475), (25, 518413), (31, 418075), (35, 370295), (155, 83615), (175, 74059), (217, 59725), (775, 16723), (1085, 11945), (2389, 5425)]