90740656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{709}}^1$

素因数の和:1157

約数の個数: 40

約数和(自身を含む): 185764400

約数和(自身を除く): 95023744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 421, 709, 842, 1418, 1684, 2836, 3368, 5672, 6736, 7999, 11344, 13471, 15998, 26942, 31996, 53884, 63992, 107768, 127984, 215536, 298489, 596978, 1193956, 2387912, 4775824, 5671291, 11342582, 22685164, 45370328, 90740656]

約数ペア:

[(1, 90740656), (2, 45370328), (4, 22685164), (8, 11342582), (16, 5671291), (19, 4775824), (38, 2387912), (76, 1193956), (152, 596978), (304, 298489), (421, 215536), (709, 127984), (842, 107768), (1418, 63992), (1684, 53884), (2836, 31996), (3368, 26942), (5672, 15998), (6736, 13471), (7999, 11344)]