81685656

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:665

約数の個数: 96

約数和(自身を含む): 239999760

約数和(自身を除く): 158314104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 197, 234, 312, 394, 443, 468, 591, 788, 886, 936, 1182, 1329, 1576, 1772, 1773, 2364, 2561, 2658, 3544, 3546, 3987, 4728, 5122, 5316, 5759, 7092, 7683, 7974, 10244, 10632, 11518, 14184, 15366, 15948, 17277, 20488, 23036, 23049, 30732, 31896, 34554, 46072, 46098, 51831, 61464, 69108, 87271, 92196, 103662, 138216, 174542, 184392, 207324, 261813, 349084, 414648, 523626, 698168, 785439, 1047252, 1134523, 1570878, 2094504, 2269046, 3141756, 3403569, 4538092, 6283512, 6807138, 9076184, 10210707, 13614276, 20421414, 27228552, 40842828, 81685656]

約数ペア:

[(1, 81685656), (2, 40842828), (3, 27228552), (4, 20421414), (6, 13614276), (8, 10210707), (9, 9076184), (12, 6807138), (13, 6283512), (18, 4538092), (24, 3403569), (26, 3141756), (36, 2269046), (39, 2094504), (52, 1570878), (72, 1134523), (78, 1047252), (104, 785439), (117, 698168), (156, 523626), (197, 414648), (234, 349084), (312, 261813), (394, 207324), (443, 184392), (468, 174542), (591, 138216), (788, 103662), (886, 92196), (936, 87271), (1182, 69108), (1329, 61464), (1576, 51831), (1772, 46098), (1773, 46072), (2364, 34554), (2561, 31896), (2658, 30732), (3544, 23049), (3546, 23036), (3987, 20488), (4728, 17277), (5122, 15948), (5316, 15366), (5759, 14184), (7092, 11518), (7683, 10632), (7974, 10244)]