28118076

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 78650880

約数和(自身を除く): 50532804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 83, 84, 109, 111, 148, 166, 218, 222, 249, 259, 327, 332, 436, 444, 498, 518, 581, 654, 763, 777, 996, 1036, 1162, 1308, 1526, 1554, 1743, 2289, 2324, 3052, 3071, 3108, 3486, 4033, 4578, 6142, 6972, 8066, 9047, 9156, 9213, 12099, 12284, 16132, 18094, 18426, 21497, 24198, 27141, 28231, 36188, 36852, 42994, 48396, 54282, 56462, 63329, 64491, 84693, 85988, 108564, 112924, 126658, 128982, 169386, 189987, 253316, 257964, 334739, 338772, 379974, 669478, 759948, 1004217, 1338956, 2008434, 2343173, 4016868, 4686346, 7029519, 9372692, 14059038, 28118076]

約数ペア:

[(1, 28118076), (2, 14059038), (3, 9372692), (4, 7029519), (6, 4686346), (7, 4016868), (12, 2343173), (14, 2008434), (21, 1338956), (28, 1004217), (37, 759948), (42, 669478), (74, 379974), (83, 338772), (84, 334739), (109, 257964), (111, 253316), (148, 189987), (166, 169386), (218, 128982), (222, 126658), (249, 112924), (259, 108564), (327, 85988), (332, 84693), (436, 64491), (444, 63329), (498, 56462), (518, 54282), (581, 48396), (654, 42994), (763, 36852), (777, 36188), (996, 28231), (1036, 27141), (1162, 24198), (1308, 21497), (1526, 18426), (1554, 18094), (1743, 16132), (2289, 12284), (2324, 12099), (3052, 9213), (3071, 9156), (3108, 9047), (3486, 8066), (4033, 6972), (4578, 6142)]