13499780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{457}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 32624256

約数和(自身を除く): 19124476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 457, 844, 914, 1055, 1477, 1828, 2110, 2285, 2954, 3199, 4220, 4570, 5908, 6398, 7385, 9140, 12796, 14770, 15995, 29540, 31990, 63980, 96427, 192854, 385708, 482135, 674989, 964270, 1349978, 1928540, 2699956, 3374945, 6749890, 13499780]

約数ペア:

[(1, 13499780), (2, 6749890), (4, 3374945), (5, 2699956), (7, 1928540), (10, 1349978), (14, 964270), (20, 674989), (28, 482135), (35, 385708), (70, 192854), (140, 96427), (211, 63980), (422, 31990), (457, 29540), (844, 15995), (914, 14770), (1055, 12796), (1477, 9140), (1828, 7385), (2110, 6398), (2285, 5908), (2954, 4570), (3199, 4220)]