181507984

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 435472128

約数和(自身を除く): 253964144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 41, 47, 56, 58, 82, 94, 112, 116, 164, 188, 203, 232, 287, 328, 329, 376, 406, 464, 574, 656, 658, 752, 812, 841, 1148, 1189, 1316, 1363, 1624, 1682, 1927, 2296, 2378, 2632, 2726, 3248, 3364, 3854, 4592, 4756, 5264, 5452, 5887, 6728, 7708, 8323, 9512, 9541, 10904, 11774, 13456, 13489, 15416, 16646, 19024, 19082, 21808, 23548, 26978, 30832, 33292, 34481, 38164, 39527, 47096, 53956, 55883, 66584, 68962, 76328, 79054, 94192, 107912, 111766, 133168, 137924, 152656, 158108, 215824, 223532, 241367, 275848, 276689, 316216, 391181, 447064, 482734, 551696, 553378, 632432, 782362, 894128, 965468, 1106756, 1564724, 1620607, 1930936, 2213512, 3129448, 3241214, 3861872, 4427024, 6258896, 6482428, 11344249, 12964856, 22688498, 25929712, 45376996, 90753992, 181507984]

約数ペア:

[(1, 181507984), (2, 90753992), (4, 45376996), (7, 25929712), (8, 22688498), (14, 12964856), (16, 11344249), (28, 6482428), (29, 6258896), (41, 4427024), (47, 3861872), (56, 3241214), (58, 3129448), (82, 2213512), (94, 1930936), (112, 1620607), (116, 1564724), (164, 1106756), (188, 965468), (203, 894128), (232, 782362), (287, 632432), (328, 553378), (329, 551696), (376, 482734), (406, 447064), (464, 391181), (574, 316216), (656, 276689), (658, 275848), (752, 241367), (812, 223532), (841, 215824), (1148, 158108), (1189, 152656), (1316, 137924), (1363, 133168), (1624, 111766), (1682, 107912), (1927, 94192), (2296, 79054), (2378, 76328), (2632, 68962), (2726, 66584), (3248, 55883), (3364, 53956), (3854, 47096), (4592, 39527), (4756, 38164), (5264, 34481), (5452, 33292), (5887, 30832), (6728, 26978), (7708, 23548), (8323, 21808), (9512, 19082), (9541, 19024), (10904, 16646), (11774, 15416), (13456, 13489)]