9978091642

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{24821}}^1$

素因数の和:25062

約数の個数: 32

約数和(自身を含む): 16084656000

約数和(自身を除く): 6106564358

約数列:

[1, 2, 19, 38, 71, 142, 149, 298, 1349, 2698, 2831, 5662, 10579, 21158, 24821, 49642, 201001, 402002, 471599, 943198, 1762291, 3524582, 3698329, 7396658, 33483529, 66967058, 70268251, 140536502, 262581359, 525162718, 4989045821, 9978091642]

約数ペア:

[(1, 9978091642), (2, 4989045821), (19, 525162718), (38, 262581359), (71, 140536502), (142, 70268251), (149, 66967058), (298, 33483529), (1349, 7396658), (2698, 3698329), (2831, 3524582), (5662, 1762291), (10579, 943198), (21158, 471599), (24821, 402002), (49642, 201001)]