165977968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{25741}}^1$

素因数の和:25793

約数の個数: 40

約数和(自身を含む): 357504896

約数和(自身を除く): 191526928

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 25741, 51482, 102964, 205928, 334633, 411856, 669266, 797971, 1338532, 1595942, 2677064, 3191884, 5354128, 6383768, 10373623, 12767536, 20747246, 41494492, 82988984, 165977968]

約数ペア:

[(1, 165977968), (2, 82988984), (4, 41494492), (8, 20747246), (13, 12767536), (16, 10373623), (26, 6383768), (31, 5354128), (52, 3191884), (62, 2677064), (104, 1595942), (124, 1338532), (208, 797971), (248, 669266), (403, 411856), (496, 334633), (806, 205928), (1612, 102964), (3224, 51482), (6448, 25741)]