84978978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:923

約数の個数: 64

約数和(自身を含む): 202487040

約数和(自身を除く): 117508062

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 61, 82, 122, 123, 183, 246, 287, 366, 427, 574, 809, 854, 861, 1281, 1618, 1722, 2427, 2501, 2562, 4854, 5002, 5663, 7503, 11326, 15006, 16989, 17507, 33169, 33978, 35014, 49349, 52521, 66338, 98698, 99507, 105042, 148047, 199014, 232183, 296094, 345443, 464366, 690886, 696549, 1036329, 1393098, 2023309, 2072658, 4046618, 6069927, 12139854, 14163163, 28326326, 42489489, 84978978]

約数ペア:

[(1, 84978978), (2, 42489489), (3, 28326326), (6, 14163163), (7, 12139854), (14, 6069927), (21, 4046618), (41, 2072658), (42, 2023309), (61, 1393098), (82, 1036329), (122, 696549), (123, 690886), (183, 464366), (246, 345443), (287, 296094), (366, 232183), (427, 199014), (574, 148047), (809, 105042), (854, 99507), (861, 98698), (1281, 66338), (1618, 52521), (1722, 49349), (2427, 35014), (2501, 33978), (2562, 33169), (4854, 17507), (5002, 16989), (5663, 15006), (7503, 11326)]