215361972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{509}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 659393280

約数和(自身を除く): 444031308

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 73, 84, 92, 126, 138, 146, 161, 207, 219, 252, 276, 292, 322, 414, 438, 483, 509, 511, 644, 657, 828, 876, 966, 1018, 1022, 1314, 1449, 1527, 1533, 1679, 1932, 2036, 2044, 2628, 2898, 3054, 3066, 3358, 3563, 4581, 4599, 5037, 5796, 6108, 6132, 6716, 7126, 9162, 9198, 10074, 10689, 11707, 11753, 14252, 15111, 18324, 18396, 20148, 21378, 23414, 23506, 30222, 32067, 35121, 35259, 37157, 42756, 46828, 47012, 60444, 64134, 70242, 70518, 74314, 81949, 105363, 105777, 111471, 128268, 140484, 141036, 148628, 163898, 210726, 211554, 222942, 245847, 260099, 327796, 334413, 421452, 423108, 445884, 491694, 520198, 668826, 737541, 780297, 854611, 983388, 1040396, 1337652, 1475082, 1560594, 1709222, 2340891, 2563833, 2950164, 3121188, 3418444, 4681782, 5127666, 5982277, 7691499, 9363564, 10255332, 11964554, 15382998, 17946831, 23929108, 30765996, 35893662, 53840493, 71787324, 107680986, 215361972]

約数ペア:

[(1, 215361972), (2, 107680986), (3, 71787324), (4, 53840493), (6, 35893662), (7, 30765996), (9, 23929108), (12, 17946831), (14, 15382998), (18, 11964554), (21, 10255332), (23, 9363564), (28, 7691499), (36, 5982277), (42, 5127666), (46, 4681782), (63, 3418444), (69, 3121188), (73, 2950164), (84, 2563833), (92, 2340891), (126, 1709222), (138, 1560594), (146, 1475082), (161, 1337652), (207, 1040396), (219, 983388), (252, 854611), (276, 780297), (292, 737541), (322, 668826), (414, 520198), (438, 491694), (483, 445884), (509, 423108), (511, 421452), (644, 334413), (657, 327796), (828, 260099), (876, 245847), (966, 222942), (1018, 211554), (1022, 210726), (1314, 163898), (1449, 148628), (1527, 141036), (1533, 140484), (1679, 128268), (1932, 111471), (2036, 105777), (2044, 105363), (2628, 81949), (2898, 74314), (3054, 70518), (3066, 70242), (3358, 64134), (3563, 60444), (4581, 47012), (4599, 46828), (5037, 42756), (5796, 37157), (6108, 35259), (6132, 35121), (6716, 32067), (7126, 30222), (9162, 23506), (9198, 23414), (10074, 21378), (10689, 20148), (11707, 18396), (11753, 18324), (14252, 15111)]