81705702

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{881}}^1$

素因数の和:969

約数の個数: 64

約数和(自身を含む): 186701760

約数和(自身を除く): 104996058

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 41, 58, 78, 82, 87, 123, 174, 246, 377, 533, 754, 881, 1066, 1131, 1189, 1599, 1762, 2262, 2378, 2643, 3198, 3567, 5286, 7134, 11453, 15457, 22906, 25549, 30914, 34359, 36121, 46371, 51098, 68718, 72242, 76647, 92742, 108363, 153294, 216726, 332137, 469573, 664274, 939146, 996411, 1047509, 1408719, 1992822, 2095018, 2817438, 3142527, 6285054, 13617617, 27235234, 40852851, 81705702]

約数ペア:

[(1, 81705702), (2, 40852851), (3, 27235234), (6, 13617617), (13, 6285054), (26, 3142527), (29, 2817438), (39, 2095018), (41, 1992822), (58, 1408719), (78, 1047509), (82, 996411), (87, 939146), (123, 664274), (174, 469573), (246, 332137), (377, 216726), (533, 153294), (754, 108363), (881, 92742), (1066, 76647), (1131, 72242), (1189, 68718), (1599, 51098), (1762, 46371), (2262, 36121), (2378, 34359), (2643, 30914), (3198, 25549), (3567, 22906), (5286, 15457), (7134, 11453)]