266105984

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{337}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 551616000

約数和(自身を除く): 285510016

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 199, 248, 337, 398, 496, 674, 796, 992, 1348, 1592, 1984, 2696, 3184, 3968, 5392, 6169, 6368, 10447, 10784, 12338, 12736, 20894, 21568, 24676, 25472, 41788, 43136, 49352, 67063, 83576, 98704, 134126, 167152, 197408, 268252, 334304, 394816, 536504, 668608, 789632, 1073008, 1337216, 2078953, 2146016, 4157906, 4292032, 8315812, 8584064, 16631624, 33263248, 66526496, 133052992, 266105984]

約数ペア:

[(1, 266105984), (2, 133052992), (4, 66526496), (8, 33263248), (16, 16631624), (31, 8584064), (32, 8315812), (62, 4292032), (64, 4157906), (124, 2146016), (128, 2078953), (199, 1337216), (248, 1073008), (337, 789632), (398, 668608), (496, 536504), (674, 394816), (796, 334304), (992, 268252), (1348, 197408), (1592, 167152), (1984, 134126), (2696, 98704), (3184, 83576), (3968, 67063), (5392, 49352), (6169, 43136), (6368, 41788), (10447, 25472), (10784, 24676), (12338, 21568), (12736, 20894)]