81740256

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{65497}}^1$

素因数の和:65523

約数の個数: 48

約数和(自身を含む): 231076944

約数和(自身を除く): 149336688

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 65497, 130994, 196491, 261988, 392982, 523976, 785964, 851461, 1047952, 1571928, 1702922, 2095904, 2554383, 3143856, 3405844, 5108766, 6287712, 6811688, 10217532, 13623376, 20435064, 27246752, 40870128, 81740256]

約数ペア:

[(1, 81740256), (2, 40870128), (3, 27246752), (4, 20435064), (6, 13623376), (8, 10217532), (12, 6811688), (13, 6287712), (16, 5108766), (24, 3405844), (26, 3143856), (32, 2554383), (39, 2095904), (48, 1702922), (52, 1571928), (78, 1047952), (96, 851461), (104, 785964), (156, 523976), (208, 392982), (312, 261988), (416, 196491), (624, 130994), (1248, 65497)]