90063239

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 111390720

約数和(自身を除く): 21327481

約数列:

[1, 7, 23, 73, 79, 97, 161, 511, 553, 679, 1679, 1817, 2231, 5767, 7081, 7663, 11753, 12719, 15617, 40369, 49567, 53641, 132641, 162863, 176249, 559399, 928487, 1140041, 1233743, 3915793, 12866177, 90063239]

約数ペア:

[(1, 90063239), (7, 12866177), (23, 3915793), (73, 1233743), (79, 1140041), (97, 928487), (161, 559399), (511, 176249), (553, 162863), (679, 132641), (1679, 53641), (1817, 49567), (2231, 40369), (5767, 15617), (7081, 12719), (7663, 11753)]