217507312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:446

約数の個数: 80

約数和(自身を含む): 477683712

約数和(自身を除く): 260176400

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 127, 148, 176, 254, 263, 296, 407, 508, 526, 592, 814, 1016, 1052, 1397, 1628, 2032, 2104, 2794, 2893, 3256, 4208, 4699, 5588, 5786, 6512, 9398, 9731, 11176, 11572, 18796, 19462, 22352, 23144, 33401, 37592, 38924, 46288, 51689, 66802, 75184, 77848, 103378, 107041, 133604, 155696, 206756, 214082, 267208, 367411, 413512, 428164, 534416, 734822, 827024, 856328, 1235837, 1469644, 1712656, 2471674, 2939288, 4943348, 5878576, 9886696, 13594207, 19773392, 27188414, 54376828, 108753656, 217507312]

約数ペア:

[(1, 217507312), (2, 108753656), (4, 54376828), (8, 27188414), (11, 19773392), (16, 13594207), (22, 9886696), (37, 5878576), (44, 4943348), (74, 2939288), (88, 2471674), (127, 1712656), (148, 1469644), (176, 1235837), (254, 856328), (263, 827024), (296, 734822), (407, 534416), (508, 428164), (526, 413512), (592, 367411), (814, 267208), (1016, 214082), (1052, 206756), (1397, 155696), (1628, 133604), (2032, 107041), (2104, 103378), (2794, 77848), (2893, 75184), (3256, 66802), (4208, 51689), (4699, 46288), (5588, 38924), (5786, 37592), (6512, 33401), (9398, 23144), (9731, 22352), (11176, 19462), (11572, 18796)]