393203936

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2459}}^1$

素因数の和:2751

約数の個数: 48

約数和(自身を含む): 818294400

約数和(自身を除く): 425090464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 263, 304, 526, 608, 1052, 2104, 2459, 4208, 4918, 4997, 8416, 9836, 9994, 19672, 19988, 39344, 39976, 46721, 78688, 79952, 93442, 159904, 186884, 373768, 646717, 747536, 1293434, 1495072, 2586868, 5173736, 10347472, 12287623, 20694944, 24575246, 49150492, 98300984, 196601968, 393203936]

約数ペア:

[(1, 393203936), (2, 196601968), (4, 98300984), (8, 49150492), (16, 24575246), (19, 20694944), (32, 12287623), (38, 10347472), (76, 5173736), (152, 2586868), (263, 1495072), (304, 1293434), (526, 747536), (608, 646717), (1052, 373768), (2104, 186884), (2459, 159904), (4208, 93442), (4918, 79952), (4997, 78688), (8416, 46721), (9836, 39976), (9994, 39344), (19672, 19988)]