2018674021

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 2673216000

約数和(自身を除く): 654541979

約数列:

[1, 7, 13, 29, 49, 67, 91, 203, 233, 343, 377, 469, 637, 871, 1421, 1631, 1943, 2639, 3029, 3283, 4459, 6097, 6757, 9947, 11417, 13601, 15611, 18473, 21203, 22981, 25259, 42679, 47299, 79919, 87841, 95207, 109277, 129311, 148421, 176813, 202943, 298753, 331093, 452719, 614887, 666449, 764939, 1038947, 1237691, 1420601, 2317651, 3169033, 4304209, 5354573, 5885347, 8663837, 9944207, 22183231, 30129463, 41197429, 69609449, 155282617, 288382003, 2018674021]

約数ペア:

[(1, 2018674021), (7, 288382003), (13, 155282617), (29, 69609449), (49, 41197429), (67, 30129463), (91, 22183231), (203, 9944207), (233, 8663837), (343, 5885347), (377, 5354573), (469, 4304209), (637, 3169033), (871, 2317651), (1421, 1420601), (1631, 1237691), (1943, 1038947), (2639, 764939), (3029, 666449), (3283, 614887), (4459, 452719), (6097, 331093), (6757, 298753), (9947, 202943), (11417, 176813), (13601, 148421), (15611, 129311), (18473, 109277), (21203, 95207), (22981, 87841), (25259, 79919), (42679, 47299)]