81738328

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 182108160

約数和(自身を除く): 100369832

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 103, 148, 206, 259, 296, 383, 412, 518, 721, 766, 824, 1036, 1442, 1532, 2072, 2681, 2884, 3064, 3811, 5362, 5768, 7622, 10724, 14171, 15244, 21448, 26677, 28342, 30488, 39449, 53354, 56684, 78898, 99197, 106708, 113368, 157796, 198394, 213416, 276143, 315592, 396788, 552286, 793576, 1104572, 1459613, 2209144, 2919226, 5838452, 10217291, 11676904, 20434582, 40869164, 81738328]

約数ペア:

[(1, 81738328), (2, 40869164), (4, 20434582), (7, 11676904), (8, 10217291), (14, 5838452), (28, 2919226), (37, 2209144), (56, 1459613), (74, 1104572), (103, 793576), (148, 552286), (206, 396788), (259, 315592), (296, 276143), (383, 213416), (412, 198394), (518, 157796), (721, 113368), (766, 106708), (824, 99197), (1036, 78898), (1442, 56684), (1532, 53354), (2072, 39449), (2681, 30488), (2884, 28342), (3064, 26677), (3811, 21448), (5362, 15244), (5768, 14171), (7622, 10724)]