81661664

素因数分解:

$2^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 193052160

約数和(自身を除く): 111390496

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 56, 59, 74, 112, 118, 148, 167, 224, 236, 259, 296, 334, 413, 472, 518, 592, 668, 826, 944, 1036, 1169, 1184, 1336, 1652, 1888, 2072, 2183, 2338, 2672, 3304, 4144, 4366, 4676, 5344, 6179, 6608, 8288, 8732, 9352, 9853, 12358, 13216, 15281, 17464, 18704, 19706, 24716, 30562, 34928, 37408, 39412, 43253, 49432, 61124, 68971, 69856, 78824, 86506, 98864, 122248, 137942, 157648, 173012, 197728, 244496, 275884, 315296, 346024, 364561, 488992, 551768, 692048, 729122, 1103536, 1384096, 1458244, 2207072, 2551927, 2916488, 5103854, 5832976, 10207708, 11665952, 20415416, 40830832, 81661664]

約数ペア:

[(1, 81661664), (2, 40830832), (4, 20415416), (7, 11665952), (8, 10207708), (14, 5832976), (16, 5103854), (28, 2916488), (32, 2551927), (37, 2207072), (56, 1458244), (59, 1384096), (74, 1103536), (112, 729122), (118, 692048), (148, 551768), (167, 488992), (224, 364561), (236, 346024), (259, 315296), (296, 275884), (334, 244496), (413, 197728), (472, 173012), (518, 157648), (592, 137942), (668, 122248), (826, 98864), (944, 86506), (1036, 78824), (1169, 69856), (1184, 68971), (1336, 61124), (1652, 49432), (1888, 43253), (2072, 39412), (2183, 37408), (2338, 34928), (2672, 30562), (3304, 24716), (4144, 19706), (4366, 18704), (4676, 17464), (5344, 15281), (6179, 13216), (6608, 12358), (8288, 9853), (8732, 9352)]