99787961

素因数分解:

$7^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 40

約数和(自身を含む): 131759040

約数和(自身を除く): 31971079

約数列:

[1, 7, 13, 23, 49, 91, 139, 161, 299, 343, 637, 973, 1127, 1807, 2093, 2401, 3197, 4459, 6811, 7889, 12649, 14651, 22379, 31213, 41561, 47677, 55223, 88543, 102557, 156653, 290927, 333739, 619801, 717899, 1096571, 2036489, 4338607, 7675997, 14255423, 99787961]

約数ペア:

[(1, 99787961), (7, 14255423), (13, 7675997), (23, 4338607), (49, 2036489), (91, 1096571), (139, 717899), (161, 619801), (299, 333739), (343, 290927), (637, 156653), (973, 102557), (1127, 88543), (1807, 55223), (2093, 47677), (2401, 41561), (3197, 31213), (4459, 22379), (6811, 14651), (7889, 12649)]