81057704

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 201277440

約数和(自身を除く): 120219736

約数列:

[1, 2, 4, 7, 8, 13, 14, 23, 26, 28, 46, 47, 52, 56, 91, 92, 94, 103, 104, 161, 182, 184, 188, 206, 299, 322, 329, 364, 376, 412, 598, 611, 644, 658, 721, 728, 824, 1081, 1196, 1222, 1288, 1316, 1339, 1442, 2093, 2162, 2369, 2392, 2444, 2632, 2678, 2884, 4186, 4277, 4324, 4738, 4841, 4888, 5356, 5768, 7567, 8372, 8554, 8648, 9373, 9476, 9682, 10712, 14053, 15134, 16583, 16744, 17108, 18746, 18952, 19364, 28106, 30268, 30797, 33166, 33887, 34216, 37492, 38728, 56212, 60536, 61594, 62933, 66332, 67774, 74984, 98371, 111343, 112424, 123188, 125866, 132664, 135548, 196742, 215579, 222686, 246376, 251732, 271096, 393484, 431158, 440531, 445372, 503464, 779401, 786968, 862316, 881062, 890744, 1447459, 1558802, 1724632, 1762124, 2894918, 3117604, 3524248, 5789836, 6235208, 10132213, 11579672, 20264426, 40528852, 81057704]

約数ペア:

[(1, 81057704), (2, 40528852), (4, 20264426), (7, 11579672), (8, 10132213), (13, 6235208), (14, 5789836), (23, 3524248), (26, 3117604), (28, 2894918), (46, 1762124), (47, 1724632), (52, 1558802), (56, 1447459), (91, 890744), (92, 881062), (94, 862316), (103, 786968), (104, 779401), (161, 503464), (182, 445372), (184, 440531), (188, 431158), (206, 393484), (299, 271096), (322, 251732), (329, 246376), (364, 222686), (376, 215579), (412, 196742), (598, 135548), (611, 132664), (644, 125866), (658, 123188), (721, 112424), (728, 111343), (824, 98371), (1081, 74984), (1196, 67774), (1222, 66332), (1288, 62933), (1316, 61594), (1339, 60536), (1442, 56212), (2093, 38728), (2162, 37492), (2369, 34216), (2392, 33887), (2444, 33166), (2632, 30797), (2678, 30268), (2884, 28106), (4186, 19364), (4277, 18952), (4324, 18746), (4738, 17108), (4841, 16744), (4888, 16583), (5356, 15134), (5768, 14053), (7567, 10712), (8372, 9682), (8554, 9476), (8648, 9373)]