201615258

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:667

約数の個数: 64

約数和(自身を含む): 451584000

約数和(自身を除く): 249968742

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 199, 398, 403, 419, 597, 806, 838, 1194, 1209, 1257, 2418, 2514, 2587, 5174, 5447, 6169, 7761, 10894, 12338, 12989, 15522, 16341, 18507, 25978, 32682, 37014, 38967, 77934, 80197, 83381, 160394, 166762, 168857, 240591, 250143, 337714, 481182, 500286, 506571, 1013142, 1083953, 2167906, 2584811, 3251859, 5169622, 6503718, 7754433, 15508866, 33602543, 67205086, 100807629, 201615258]

約数ペア:

[(1, 201615258), (2, 100807629), (3, 67205086), (6, 33602543), (13, 15508866), (26, 7754433), (31, 6503718), (39, 5169622), (62, 3251859), (78, 2584811), (93, 2167906), (186, 1083953), (199, 1013142), (398, 506571), (403, 500286), (419, 481182), (597, 337714), (806, 250143), (838, 240591), (1194, 168857), (1209, 166762), (1257, 160394), (2418, 83381), (2514, 80197), (2587, 77934), (5174, 38967), (5447, 37014), (6169, 32682), (7761, 25978), (10894, 18507), (12338, 16341), (12989, 15522)]