12439895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 17200512

約数和(自身を除く): 4760617

約数列:

[1, 5, 13, 23, 53, 65, 115, 157, 265, 299, 689, 785, 1219, 1495, 2041, 3445, 3611, 6095, 8321, 10205, 15847, 18055, 41605, 46943, 79235, 108173, 191383, 234715, 540865, 956915, 2487979, 12439895]

約数ペア:

[(1, 12439895), (5, 2487979), (13, 956915), (23, 540865), (53, 234715), (65, 191383), (115, 108173), (157, 79235), (265, 46943), (299, 41605), (689, 18055), (785, 15847), (1219, 10205), (1495, 8321), (2041, 6095), (3445, 3611)]