221301588

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2\times {\mathrm{709}}^1$

素因数の和:809

約数の個数: 72

約数和(自身を含む): 559423200

約数和(自身を除く): 338121612

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 57, 74, 76, 111, 114, 148, 222, 228, 444, 703, 709, 1369, 1406, 1418, 2109, 2127, 2738, 2812, 2836, 4107, 4218, 4254, 5476, 8214, 8436, 8508, 13471, 16428, 26011, 26233, 26942, 40413, 52022, 52466, 53884, 78033, 78699, 80826, 104044, 104932, 156066, 157398, 161652, 312132, 314796, 498427, 970621, 996854, 1495281, 1941242, 1993708, 2911863, 2990562, 3882484, 5823726, 5981124, 11647452, 18441799, 36883598, 55325397, 73767196, 110650794, 221301588]

約数ペア:

[(1, 221301588), (2, 110650794), (3, 73767196), (4, 55325397), (6, 36883598), (12, 18441799), (19, 11647452), (37, 5981124), (38, 5823726), (57, 3882484), (74, 2990562), (76, 2911863), (111, 1993708), (114, 1941242), (148, 1495281), (222, 996854), (228, 970621), (444, 498427), (703, 314796), (709, 312132), (1369, 161652), (1406, 157398), (1418, 156066), (2109, 104932), (2127, 104044), (2738, 80826), (2812, 78699), (2836, 78033), (4107, 53884), (4218, 52466), (4254, 52022), (5476, 40413), (8214, 26942), (8436, 26233), (8508, 26011), (13471, 16428)]