2015019995

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{18233}}^1$

素因数の和:18323

約数の個数: 24

約数和(自身を含む): 2607316128

約数和(自身を除く): 592296133

約数列:

[1, 5, 23, 31, 115, 155, 713, 961, 3565, 4805, 18233, 22103, 91165, 110515, 419359, 565223, 2096795, 2826115, 13000129, 17521913, 65000645, 87609565, 403003999, 2015019995]

約数ペア:

[(1, 2015019995), (5, 403003999), (23, 87609565), (31, 65000645), (115, 17521913), (155, 13000129), (713, 2826115), (961, 2096795), (3565, 565223), (4805, 419359), (18233, 110515), (22103, 91165)]