81583544

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^2$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 188362920

約数和(自身を除く): 106779376

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 71, 119, 136, 142, 238, 284, 289, 476, 497, 568, 578, 952, 994, 1156, 1207, 1988, 2023, 2312, 2414, 3976, 4046, 4828, 5041, 8092, 8449, 9656, 10082, 16184, 16898, 20164, 20519, 33796, 35287, 40328, 41038, 67592, 70574, 82076, 85697, 141148, 143633, 164152, 171394, 282296, 287266, 342788, 574532, 599879, 685576, 1149064, 1199758, 1456849, 2399516, 2913698, 4799032, 5827396, 10197943, 11654792, 20395886, 40791772, 81583544]

約数ペア:

[(1, 81583544), (2, 40791772), (4, 20395886), (7, 11654792), (8, 10197943), (14, 5827396), (17, 4799032), (28, 2913698), (34, 2399516), (56, 1456849), (68, 1199758), (71, 1149064), (119, 685576), (136, 599879), (142, 574532), (238, 342788), (284, 287266), (289, 282296), (476, 171394), (497, 164152), (568, 143633), (578, 141148), (952, 85697), (994, 82076), (1156, 70574), (1207, 67592), (1988, 41038), (2023, 40328), (2312, 35287), (2414, 33796), (3976, 20519), (4046, 20164), (4828, 16898), (5041, 16184), (8092, 10082), (8449, 9656)]