81064256

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:512

約数の個数: 112

約数和(自身を含む): 204825600

約数和(自身を除く): 123761344

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 64, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 448, 449, 496, 728, 806, 832, 868, 898, 992, 1456, 1612, 1736, 1796, 1984, 2821, 2912, 3143, 3224, 3472, 3592, 5642, 5824, 5837, 6286, 6448, 6944, 7184, 11284, 11674, 12572, 12896, 13888, 13919, 14368, 22568, 23348, 25144, 25792, 27838, 28736, 40859, 45136, 46696, 50288, 55676, 81718, 90272, 93392, 97433, 100576, 111352, 163436, 180544, 180947, 186784, 194866, 201152, 222704, 326872, 361894, 373568, 389732, 445408, 653744, 723788, 779464, 890816, 1266629, 1307488, 1447576, 1558928, 2533258, 2614976, 2895152, 3117856, 5066516, 5790304, 6235712, 10133032, 11580608, 20266064, 40532128, 81064256]

約数ペア:

[(1, 81064256), (2, 40532128), (4, 20266064), (7, 11580608), (8, 10133032), (13, 6235712), (14, 5790304), (16, 5066516), (26, 3117856), (28, 2895152), (31, 2614976), (32, 2533258), (52, 1558928), (56, 1447576), (62, 1307488), (64, 1266629), (91, 890816), (104, 779464), (112, 723788), (124, 653744), (182, 445408), (208, 389732), (217, 373568), (224, 361894), (248, 326872), (364, 222704), (403, 201152), (416, 194866), (434, 186784), (448, 180947), (449, 180544), (496, 163436), (728, 111352), (806, 100576), (832, 97433), (868, 93392), (898, 90272), (992, 81718), (1456, 55676), (1612, 50288), (1736, 46696), (1796, 45136), (1984, 40859), (2821, 28736), (2912, 27838), (3143, 25792), (3224, 25144), (3472, 23348), (3592, 22568), (5642, 14368), (5824, 13919), (5837, 13888), (6286, 12896), (6448, 12572), (6944, 11674), (7184, 11284)]