81957876

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6823}}^1$

素因数の和:6861

約数の個数: 96

約数和(自身を含む): 256800768

約数和(自身を除く): 174842892

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 132, 143, 154, 156, 182, 231, 273, 286, 308, 364, 429, 462, 546, 572, 858, 924, 1001, 1092, 1716, 2002, 3003, 4004, 6006, 6823, 12012, 13646, 20469, 27292, 40938, 47761, 75053, 81876, 88699, 95522, 143283, 150106, 177398, 191044, 225159, 266097, 286566, 300212, 354796, 450318, 525371, 532194, 573132, 620893, 900636, 975689, 1050742, 1064388, 1241786, 1576113, 1862679, 1951378, 2101484, 2483572, 2927067, 3152226, 3725358, 3902756, 5854134, 6304452, 6829823, 7450716, 11708268, 13659646, 20489469, 27319292, 40978938, 81957876]

約数ペア:

[(1, 81957876), (2, 40978938), (3, 27319292), (4, 20489469), (6, 13659646), (7, 11708268), (11, 7450716), (12, 6829823), (13, 6304452), (14, 5854134), (21, 3902756), (22, 3725358), (26, 3152226), (28, 2927067), (33, 2483572), (39, 2101484), (42, 1951378), (44, 1862679), (52, 1576113), (66, 1241786), (77, 1064388), (78, 1050742), (84, 975689), (91, 900636), (132, 620893), (143, 573132), (154, 532194), (156, 525371), (182, 450318), (231, 354796), (273, 300212), (286, 286566), (308, 266097), (364, 225159), (429, 191044), (462, 177398), (546, 150106), (572, 143283), (858, 95522), (924, 88699), (1001, 81876), (1092, 75053), (1716, 47761), (2002, 40938), (3003, 27292), (4004, 20469), (6006, 13646), (6823, 12012)]