254277712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{1259}}^1$

素因数の和:2251

約数の個数: 40

約数和(自身を含む): 531528480

約数和(自身を除く): 277250768

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 971, 1259, 1942, 2518, 3884, 5036, 7768, 10072, 12623, 15536, 16367, 20144, 25246, 32734, 50492, 65468, 100984, 130936, 201968, 261872, 1222489, 2444978, 4889956, 9779912, 15892357, 19559824, 31784714, 63569428, 127138856, 254277712]

約数ペア:

[(1, 254277712), (2, 127138856), (4, 63569428), (8, 31784714), (13, 19559824), (16, 15892357), (26, 9779912), (52, 4889956), (104, 2444978), (208, 1222489), (971, 261872), (1259, 201968), (1942, 130936), (2518, 100984), (3884, 65468), (5036, 50492), (7768, 32734), (10072, 25246), (12623, 20144), (15536, 16367)]