28789404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:267

約数の個数: 96

約数和(自身を含む): 80693760

約数和(自身を除く): 51904356

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 59, 74, 84, 111, 118, 148, 157, 177, 222, 236, 259, 314, 354, 413, 444, 471, 518, 628, 708, 777, 826, 942, 1036, 1099, 1239, 1554, 1652, 1884, 2183, 2198, 2478, 3108, 3297, 4366, 4396, 4956, 5809, 6549, 6594, 8732, 9263, 11618, 13098, 13188, 15281, 17427, 18526, 23236, 26196, 27789, 30562, 34854, 37052, 40663, 45843, 55578, 61124, 64841, 69708, 81326, 91686, 111156, 121989, 129682, 162652, 183372, 194523, 243978, 259364, 342731, 389046, 487956, 685462, 778092, 1028193, 1370924, 2056386, 2399117, 4112772, 4798234, 7197351, 9596468, 14394702, 28789404]

約数ペア:

[(1, 28789404), (2, 14394702), (3, 9596468), (4, 7197351), (6, 4798234), (7, 4112772), (12, 2399117), (14, 2056386), (21, 1370924), (28, 1028193), (37, 778092), (42, 685462), (59, 487956), (74, 389046), (84, 342731), (111, 259364), (118, 243978), (148, 194523), (157, 183372), (177, 162652), (222, 129682), (236, 121989), (259, 111156), (314, 91686), (354, 81326), (413, 69708), (444, 64841), (471, 61124), (518, 55578), (628, 45843), (708, 40663), (777, 37052), (826, 34854), (942, 30562), (1036, 27789), (1099, 26196), (1239, 23236), (1554, 18526), (1652, 17427), (1884, 15281), (2183, 13188), (2198, 13098), (2478, 11618), (3108, 9263), (3297, 8732), (4366, 6594), (4396, 6549), (4956, 5809)]