13199225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2389}}^1$

素因数の和:2429

約数の個数: 24

約数和(自身を含む): 18670680

約数和(自身を除く): 5471455

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 2389, 5525, 11945, 31057, 40613, 59725, 155285, 203065, 527969, 776425, 1015325, 2639845, 13199225]

約数ペア:

[(1, 13199225), (5, 2639845), (13, 1015325), (17, 776425), (25, 527969), (65, 203065), (85, 155285), (221, 59725), (325, 40613), (425, 31057), (1105, 11945), (2389, 5525)]