81815288

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:360

約数の個数: 64

約数和(自身を含む): 169905600

約数和(自身を除く): 88090312

約数列:

[1, 2, 4, 8, 17, 34, 37, 68, 71, 74, 136, 142, 148, 229, 284, 296, 458, 568, 629, 916, 1207, 1258, 1832, 2414, 2516, 2627, 3893, 4828, 5032, 5254, 7786, 8473, 9656, 10508, 15572, 16259, 16946, 21016, 31144, 32518, 33892, 44659, 65036, 67784, 89318, 130072, 144041, 178636, 276403, 288082, 357272, 552806, 576164, 601583, 1105612, 1152328, 1203166, 2211224, 2406332, 4812664, 10226911, 20453822, 40907644, 81815288]

約数ペア:

[(1, 81815288), (2, 40907644), (4, 20453822), (8, 10226911), (17, 4812664), (34, 2406332), (37, 2211224), (68, 1203166), (71, 1152328), (74, 1105612), (136, 601583), (142, 576164), (148, 552806), (229, 357272), (284, 288082), (296, 276403), (458, 178636), (568, 144041), (629, 130072), (916, 89318), (1207, 67784), (1258, 65036), (1832, 44659), (2414, 33892), (2516, 32518), (2627, 31144), (3893, 21016), (4828, 16946), (5032, 16259), (5254, 15572), (7786, 10508), (8473, 9656)]