717431428

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1\times {\mathrm{709}}^1$

素因数の和:1300

約数の個数: 48

約数和(自身を含む): 1459987200

約数和(自身を除く): 742555772

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 509, 709, 994, 1018, 1418, 1988, 2036, 2836, 3563, 4963, 7126, 9926, 14252, 19852, 36139, 50339, 72278, 100678, 144556, 201356, 252973, 352373, 360881, 505946, 704746, 721762, 1011892, 1409492, 1443524, 2526167, 5052334, 10104668, 25622551, 51245102, 102490204, 179357857, 358715714, 717431428]

約数ペア:

[(1, 717431428), (2, 358715714), (4, 179357857), (7, 102490204), (14, 51245102), (28, 25622551), (71, 10104668), (142, 5052334), (284, 2526167), (497, 1443524), (509, 1409492), (709, 1011892), (994, 721762), (1018, 704746), (1418, 505946), (1988, 360881), (2036, 352373), (2836, 252973), (3563, 201356), (4963, 144556), (7126, 100678), (9926, 72278), (14252, 50339), (19852, 36139)]