181851488

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{317}}^1$

素因数の和:544

約数の個数: 96

約数和(自身を含む): 444273984

約数和(自身を除く): 262422496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 197, 208, 224, 317, 364, 394, 416, 634, 728, 788, 1268, 1379, 1456, 1576, 2219, 2536, 2561, 2758, 2912, 3152, 4121, 4438, 5072, 5122, 5516, 6304, 8242, 8876, 10144, 10244, 11032, 16484, 17752, 17927, 20488, 22064, 28847, 32968, 35504, 35854, 40976, 44128, 57694, 62449, 65936, 71008, 71708, 81952, 115388, 124898, 131872, 143416, 230776, 249796, 286832, 437143, 461552, 499592, 573664, 811837, 874286, 923104, 999184, 1623674, 1748572, 1998368, 3247348, 3497144, 5682859, 6494696, 6994288, 11365718, 12989392, 13988576, 22731436, 25978784, 45462872, 90925744, 181851488]

約数ペア:

[(1, 181851488), (2, 90925744), (4, 45462872), (7, 25978784), (8, 22731436), (13, 13988576), (14, 12989392), (16, 11365718), (26, 6994288), (28, 6494696), (32, 5682859), (52, 3497144), (56, 3247348), (91, 1998368), (104, 1748572), (112, 1623674), (182, 999184), (197, 923104), (208, 874286), (224, 811837), (317, 573664), (364, 499592), (394, 461552), (416, 437143), (634, 286832), (728, 249796), (788, 230776), (1268, 143416), (1379, 131872), (1456, 124898), (1576, 115388), (2219, 81952), (2536, 71708), (2561, 71008), (2758, 65936), (2912, 62449), (3152, 57694), (4121, 44128), (4438, 40976), (5072, 35854), (5122, 35504), (5516, 32968), (6304, 28847), (8242, 22064), (8876, 20488), (10144, 17927), (10244, 17752), (11032, 16484)]