2019427991

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{2591}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 2484338688

約数和(自身を除く): 464910697

約数列:

[1, 7, 23, 47, 103, 161, 329, 721, 1081, 2369, 2591, 4841, 7567, 16583, 18137, 33887, 59593, 111343, 121777, 266873, 417151, 779401, 852439, 1868111, 2800871, 6138079, 12543031, 19606097, 42966553, 87801217, 288489713, 2019427991]

約数ペア:

[(1, 2019427991), (7, 288489713), (23, 87801217), (47, 42966553), (103, 19606097), (161, 12543031), (329, 6138079), (721, 2800871), (1081, 1868111), (2369, 852439), (2591, 779401), (4841, 417151), (7567, 266873), (16583, 121777), (18137, 111343), (33887, 59593)]