81895548

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 144

約数和(自身を含む): 242789120

約数和(自身を除く): 160893572

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 23, 28, 38, 42, 46, 57, 69, 76, 84, 92, 97, 114, 133, 138, 161, 194, 228, 266, 276, 291, 322, 388, 399, 437, 483, 529, 532, 582, 644, 679, 798, 874, 966, 1058, 1164, 1311, 1358, 1587, 1596, 1748, 1843, 1932, 2037, 2116, 2231, 2622, 2716, 3059, 3174, 3686, 3703, 4074, 4462, 5244, 5529, 6118, 6348, 6693, 7372, 7406, 8148, 8924, 9177, 10051, 11058, 11109, 12236, 12901, 13386, 14812, 15617, 18354, 20102, 22116, 22218, 25802, 26772, 30153, 31234, 36708, 38703, 40204, 42389, 44436, 46851, 51313, 51604, 60306, 62468, 70357, 77406, 84778, 93702, 102626, 120612, 127167, 140714, 153939, 154812, 169556, 187404, 205252, 211071, 254334, 281428, 296723, 307878, 359191, 422142, 508668, 593446, 615756, 718382, 844284, 890169, 974947, 1077573, 1186892, 1436764, 1780338, 1949894, 2155146, 2924841, 3560676, 3899788, 4310292, 5849682, 6824629, 11699364, 13649258, 20473887, 27298516, 40947774, 81895548]

約数ペア:

[(1, 81895548), (2, 40947774), (3, 27298516), (4, 20473887), (6, 13649258), (7, 11699364), (12, 6824629), (14, 5849682), (19, 4310292), (21, 3899788), (23, 3560676), (28, 2924841), (38, 2155146), (42, 1949894), (46, 1780338), (57, 1436764), (69, 1186892), (76, 1077573), (84, 974947), (92, 890169), (97, 844284), (114, 718382), (133, 615756), (138, 593446), (161, 508668), (194, 422142), (228, 359191), (266, 307878), (276, 296723), (291, 281428), (322, 254334), (388, 211071), (399, 205252), (437, 187404), (483, 169556), (529, 154812), (532, 153939), (582, 140714), (644, 127167), (679, 120612), (798, 102626), (874, 93702), (966, 84778), (1058, 77406), (1164, 70357), (1311, 62468), (1358, 60306), (1587, 51604), (1596, 51313), (1748, 46851), (1843, 44436), (1932, 42389), (2037, 40204), (2116, 38703), (2231, 36708), (2622, 31234), (2716, 30153), (3059, 26772), (3174, 25802), (3686, 22218), (3703, 22116), (4074, 20102), (4462, 18354), (5244, 15617), (5529, 14812), (6118, 13386), (6348, 12901), (6693, 12236), (7372, 11109), (7406, 11058), (8148, 10051), (8924, 9177)]