28525266

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1871}}^1$

素因数の和:1908

約数の個数: 72

約数和(自身を含む): 77680512

約数和(自身を除く): 49155246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1694, 1871, 2178, 2541, 3742, 5082, 5613, 7623, 11226, 13097, 15246, 16839, 20581, 26194, 33678, 39291, 41162, 61743, 78582, 117873, 123486, 144067, 185229, 226391, 235746, 288134, 370458, 432201, 452782, 679173, 864402, 1296603, 1358346, 1584737, 2037519, 2593206, 3169474, 4075038, 4754211, 9508422, 14262633, 28525266]

約数ペア:

[(1, 28525266), (2, 14262633), (3, 9508422), (6, 4754211), (7, 4075038), (9, 3169474), (11, 2593206), (14, 2037519), (18, 1584737), (21, 1358346), (22, 1296603), (33, 864402), (42, 679173), (63, 452782), (66, 432201), (77, 370458), (99, 288134), (121, 235746), (126, 226391), (154, 185229), (198, 144067), (231, 123486), (242, 117873), (363, 78582), (462, 61743), (693, 41162), (726, 39291), (847, 33678), (1089, 26194), (1386, 20581), (1694, 16839), (1871, 15246), (2178, 13097), (2541, 11226), (3742, 7623), (5082, 5613)]