251253828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{26947}}^1$

素因数の和:27001

約数の個数: 72

約数和(自身を含む): 745489472

約数和(自身を除く): 494235644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 111, 126, 148, 222, 252, 259, 333, 444, 518, 666, 777, 1036, 1332, 1554, 2331, 3108, 4662, 9324, 26947, 53894, 80841, 107788, 161682, 188629, 242523, 323364, 377258, 485046, 565887, 754516, 970092, 997039, 1131774, 1697661, 1994078, 2263548, 2991117, 3395322, 3988156, 5982234, 6790644, 6979273, 8973351, 11964468, 13958546, 17946702, 20937819, 27917092, 35893404, 41875638, 62813457, 83751276, 125626914, 251253828]

約数ペア:

[(1, 251253828), (2, 125626914), (3, 83751276), (4, 62813457), (6, 41875638), (7, 35893404), (9, 27917092), (12, 20937819), (14, 17946702), (18, 13958546), (21, 11964468), (28, 8973351), (36, 6979273), (37, 6790644), (42, 5982234), (63, 3988156), (74, 3395322), (84, 2991117), (111, 2263548), (126, 1994078), (148, 1697661), (222, 1131774), (252, 997039), (259, 970092), (333, 754516), (444, 565887), (518, 485046), (666, 377258), (777, 323364), (1036, 242523), (1332, 188629), (1554, 161682), (2331, 107788), (3108, 80841), (4662, 53894), (9324, 26947)]