20121717071

素因数分解:

${\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{709}}^1\times {\mathrm{1109}}^1$

素因数の和:2138

約数の個数: 16

約数和(自身を含む): 20421247200

約数和(自身を除く): 299530129

約数列:

[1, 157, 163, 709, 1109, 25591, 111313, 115567, 174113, 180767, 786281, 18144019, 28380419, 123446117, 128163803, 20121717071]

約数ペア:

[(1, 20121717071), (157, 128163803), (163, 123446117), (709, 28380419), (1109, 18144019), (25591, 786281), (111313, 180767), (115567, 174113)]