81824944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 179988480

約数和(自身を除く): 98163536

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 71, 76, 136, 142, 152, 223, 272, 284, 304, 323, 446, 568, 646, 892, 1136, 1207, 1292, 1349, 1784, 2414, 2584, 2698, 3568, 3791, 4237, 4828, 5168, 5396, 7582, 8474, 9656, 10792, 15164, 15833, 16948, 19312, 21584, 22933, 30328, 31666, 33896, 45866, 60656, 63332, 67792, 72029, 91732, 126664, 144058, 183464, 253328, 269161, 288116, 300827, 366928, 538322, 576232, 601654, 1076644, 1152464, 1203308, 2153288, 2406616, 4306576, 4813232, 5114059, 10228118, 20456236, 40912472, 81824944]

約数ペア:

[(1, 81824944), (2, 40912472), (4, 20456236), (8, 10228118), (16, 5114059), (17, 4813232), (19, 4306576), (34, 2406616), (38, 2153288), (68, 1203308), (71, 1152464), (76, 1076644), (136, 601654), (142, 576232), (152, 538322), (223, 366928), (272, 300827), (284, 288116), (304, 269161), (323, 253328), (446, 183464), (568, 144058), (646, 126664), (892, 91732), (1136, 72029), (1207, 67792), (1292, 63332), (1349, 60656), (1784, 45866), (2414, 33896), (2584, 31666), (2698, 30328), (3568, 22933), (3791, 21584), (4237, 19312), (4828, 16948), (5168, 15833), (5396, 15164), (7582, 10792), (8474, 9656)]