78998224

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:827

約数の個数: 40

約数和(自身を含む): 157678400

約数和(自身を除く): 78680176

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 199, 344, 398, 577, 688, 796, 1154, 1592, 2308, 3184, 4616, 8557, 9232, 17114, 24811, 34228, 49622, 68456, 99244, 114823, 136912, 198488, 229646, 396976, 459292, 918584, 1837168, 4937389, 9874778, 19749556, 39499112, 78998224]

約数ペア:

[(1, 78998224), (2, 39499112), (4, 19749556), (8, 9874778), (16, 4937389), (43, 1837168), (86, 918584), (172, 459292), (199, 396976), (344, 229646), (398, 198488), (577, 136912), (688, 114823), (796, 99244), (1154, 68456), (1592, 49622), (2308, 34228), (3184, 24811), (4616, 17114), (8557, 9232)]