647513424

素因数分解:

$2^4\times 3^2\times {\mathrm{101}}^1\times {\mathrm{211}}^2$

素因数の和:537

約数の個数: 90

約数和(自身を含む): 1838794698

約数和(自身を除く): 1191281274

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 101, 144, 202, 211, 303, 404, 422, 606, 633, 808, 844, 909, 1212, 1266, 1616, 1688, 1818, 1899, 2424, 2532, 3376, 3636, 3798, 4848, 5064, 7272, 7596, 10128, 14544, 15192, 21311, 30384, 42622, 44521, 63933, 85244, 89042, 127866, 133563, 170488, 178084, 191799, 255732, 267126, 340976, 356168, 383598, 400689, 511464, 534252, 712336, 767196, 801378, 1022928, 1068504, 1534392, 1602756, 2137008, 3068784, 3205512, 4496621, 6411024, 8993242, 13489863, 17986484, 26979726, 35972968, 40469589, 53959452, 71945936, 80939178, 107918904, 161878356, 215837808, 323756712, 647513424]

約数ペア:

[(1, 647513424), (2, 323756712), (3, 215837808), (4, 161878356), (6, 107918904), (8, 80939178), (9, 71945936), (12, 53959452), (16, 40469589), (18, 35972968), (24, 26979726), (36, 17986484), (48, 13489863), (72, 8993242), (101, 6411024), (144, 4496621), (202, 3205512), (211, 3068784), (303, 2137008), (404, 1602756), (422, 1534392), (606, 1068504), (633, 1022928), (808, 801378), (844, 767196), (909, 712336), (1212, 534252), (1266, 511464), (1616, 400689), (1688, 383598), (1818, 356168), (1899, 340976), (2424, 267126), (2532, 255732), (3376, 191799), (3636, 178084), (3798, 170488), (4848, 133563), (5064, 127866), (7272, 89042), (7596, 85244), (10128, 63933), (14544, 44521), (15192, 42622), (21311, 30384)]