65279344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2177

約数の個数: 40

約数和(自身を含む): 137144000

約数和(自身を除く): 71864656

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 157, 208, 314, 628, 1256, 1999, 2041, 2512, 3998, 4082, 7996, 8164, 15992, 16328, 25987, 31984, 32656, 51974, 103948, 207896, 313843, 415792, 627686, 1255372, 2510744, 4079959, 5021488, 8159918, 16319836, 32639672, 65279344]

約数ペア:

[(1, 65279344), (2, 32639672), (4, 16319836), (8, 8159918), (13, 5021488), (16, 4079959), (26, 2510744), (52, 1255372), (104, 627686), (157, 415792), (208, 313843), (314, 207896), (628, 103948), (1256, 51974), (1999, 32656), (2041, 31984), (2512, 25987), (3998, 16328), (4082, 15992), (7996, 8164)]