208404016

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 413973504

約数和(自身を除く): 205569488

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 431, 643, 752, 862, 1286, 1724, 2572, 3448, 5144, 6896, 10288, 20257, 30221, 40514, 60442, 81028, 120884, 162056, 241768, 277133, 324112, 483536, 554266, 1108532, 2217064, 4434128, 13025251, 26050502, 52101004, 104202008, 208404016]

約数ペア:

[(1, 208404016), (2, 104202008), (4, 52101004), (8, 26050502), (16, 13025251), (47, 4434128), (94, 2217064), (188, 1108532), (376, 554266), (431, 483536), (643, 324112), (752, 277133), (862, 241768), (1286, 162056), (1724, 120884), (2572, 81028), (3448, 60442), (5144, 40514), (6896, 30221), (10288, 20257)]