26979148

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 56222208

約数和(自身を除く): 29243060

約数列:

[1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 284, 287, 331, 497, 574, 662, 994, 1148, 1324, 1988, 2317, 2911, 4634, 5822, 9268, 11644, 13571, 20377, 23501, 27142, 40754, 47002, 54284, 81508, 94004, 94997, 164507, 189994, 329014, 379988, 658028, 963541, 1927082, 3854164, 6744787, 13489574, 26979148]

約数ペア:

[(1, 26979148), (2, 13489574), (4, 6744787), (7, 3854164), (14, 1927082), (28, 963541), (41, 658028), (71, 379988), (82, 329014), (142, 189994), (164, 164507), (284, 94997), (287, 94004), (331, 81508), (497, 54284), (574, 47002), (662, 40754), (994, 27142), (1148, 23501), (1324, 20377), (1988, 13571), (2317, 11644), (2911, 9268), (4634, 5822)]