628702004

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{2411}}^1$

素因数の和:2628

約数の個数: 48

約数和(自身を含む): 1285885440

約数和(自身を除く): 657183436

約数列:

[1, 2, 4, 7, 14, 28, 67, 134, 139, 268, 278, 469, 556, 938, 973, 1876, 1946, 2411, 3892, 4822, 9313, 9644, 16877, 18626, 33754, 37252, 65191, 67508, 130382, 161537, 260764, 323074, 335129, 646148, 670258, 1130759, 1340516, 2261518, 2345903, 4523036, 4691806, 9383612, 22453643, 44907286, 89814572, 157175501, 314351002, 628702004]

約数ペア:

[(1, 628702004), (2, 314351002), (4, 157175501), (7, 89814572), (14, 44907286), (28, 22453643), (67, 9383612), (134, 4691806), (139, 4523036), (268, 2345903), (278, 2261518), (469, 1340516), (556, 1130759), (938, 670258), (973, 646148), (1876, 335129), (1946, 323074), (2411, 260764), (3892, 161537), (4822, 130382), (9313, 67508), (9644, 65191), (16877, 37252), (18626, 33754)]