9987432830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{180181}}^1$

素因数の和:180452

約数の個数: 32

約数和(自身を含む): 18836947008

約数和(自身を除く): 8849514178

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 241, 482, 1205, 2410, 5543, 11086, 27715, 55430, 180181, 360362, 900905, 1801810, 4144163, 8288326, 20720815, 41441630, 43423621, 86847242, 217118105, 434236210, 998743283, 1997486566, 4993716415, 9987432830]

約数ペア:

[(1, 9987432830), (2, 4993716415), (5, 1997486566), (10, 998743283), (23, 434236210), (46, 217118105), (115, 86847242), (230, 43423621), (241, 41441630), (482, 20720815), (1205, 8288326), (2410, 4144163), (5543, 1801810), (11086, 900905), (27715, 360362), (55430, 180181)]