28931742

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:875

約数の個数: 80

約数和(自身を含む): 76572672

約数和(自身を除く): 47640930

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 81, 93, 126, 162, 186, 189, 217, 279, 378, 434, 558, 567, 651, 823, 837, 1134, 1302, 1646, 1674, 1953, 2469, 2511, 3906, 4938, 5022, 5761, 5859, 7407, 11522, 11718, 14814, 17283, 17577, 22221, 25513, 34566, 35154, 44442, 51026, 51849, 66663, 76539, 103698, 133326, 153078, 155547, 178591, 229617, 311094, 357182, 459234, 466641, 535773, 688851, 933282, 1071546, 1377702, 1607319, 2066553, 3214638, 4133106, 4821957, 9643914, 14465871, 28931742]

約数ペア:

[(1, 28931742), (2, 14465871), (3, 9643914), (6, 4821957), (7, 4133106), (9, 3214638), (14, 2066553), (18, 1607319), (21, 1377702), (27, 1071546), (31, 933282), (42, 688851), (54, 535773), (62, 466641), (63, 459234), (81, 357182), (93, 311094), (126, 229617), (162, 178591), (186, 155547), (189, 153078), (217, 133326), (279, 103698), (378, 76539), (434, 66663), (558, 51849), (567, 51026), (651, 44442), (823, 35154), (837, 34566), (1134, 25513), (1302, 22221), (1646, 17577), (1674, 17283), (1953, 14814), (2469, 11718), (2511, 11522), (3906, 7407), (4938, 5859), (5022, 5761)]