209904256

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:162

約数の個数: 128

約数和(自身を含む): 468840960

約数和(自身を除く): 258936704

約数列:

[1, 2, 4, 8, 16, 23, 32, 37, 41, 46, 47, 64, 74, 82, 92, 94, 128, 148, 164, 184, 188, 296, 328, 368, 376, 592, 656, 736, 752, 851, 943, 1081, 1184, 1312, 1472, 1504, 1517, 1702, 1739, 1886, 1927, 2162, 2368, 2624, 2944, 3008, 3034, 3404, 3478, 3772, 3854, 4324, 4736, 5248, 6016, 6068, 6808, 6956, 7544, 7708, 8648, 12136, 13616, 13912, 15088, 15416, 17296, 24272, 27232, 27824, 30176, 30832, 34592, 34891, 39997, 44321, 48544, 54464, 55648, 60352, 61664, 69184, 69782, 71299, 79994, 88642, 97088, 108928, 111296, 120704, 123328, 138368, 139564, 142598, 159988, 177284, 194176, 222592, 246656, 279128, 285196, 319976, 354568, 558256, 570392, 639952, 709136, 1116512, 1140784, 1279904, 1418272, 1639877, 2233024, 2281568, 2559808, 2836544, 3279754, 4466048, 4563136, 5119616, 5673088, 6559508, 9126272, 13119016, 26238032, 52476064, 104952128, 209904256]

約数ペア:

[(1, 209904256), (2, 104952128), (4, 52476064), (8, 26238032), (16, 13119016), (23, 9126272), (32, 6559508), (37, 5673088), (41, 5119616), (46, 4563136), (47, 4466048), (64, 3279754), (74, 2836544), (82, 2559808), (92, 2281568), (94, 2233024), (128, 1639877), (148, 1418272), (164, 1279904), (184, 1140784), (188, 1116512), (296, 709136), (328, 639952), (368, 570392), (376, 558256), (592, 354568), (656, 319976), (736, 285196), (752, 279128), (851, 246656), (943, 222592), (1081, 194176), (1184, 177284), (1312, 159988), (1472, 142598), (1504, 139564), (1517, 138368), (1702, 123328), (1739, 120704), (1886, 111296), (1927, 108928), (2162, 97088), (2368, 88642), (2624, 79994), (2944, 71299), (3008, 69782), (3034, 69184), (3404, 61664), (3478, 60352), (3772, 55648), (3854, 54464), (4324, 48544), (4736, 44321), (5248, 39997), (6016, 34891), (6068, 34592), (6808, 30832), (6956, 30176), (7544, 27824), (7708, 27232), (8648, 24272), (12136, 17296), (13616, 15416), (13912, 15088)]