40387711

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 14770049

約数列:

[1, 7, 13, 19, 47, 49, 71, 91, 133, 247, 329, 497, 611, 637, 893, 923, 931, 1349, 1729, 2303, 3337, 3479, 4277, 6251, 6461, 9443, 11609, 12103, 17537, 23359, 29939, 43381, 43757, 45227, 63403, 66101, 81263, 122759, 163513, 303667, 443821, 568841, 824239, 859313, 2125669, 3106747, 5769673, 40387711]

約数ペア:

[(1, 40387711), (7, 5769673), (13, 3106747), (19, 2125669), (47, 859313), (49, 824239), (71, 568841), (91, 443821), (133, 303667), (247, 163513), (329, 122759), (497, 81263), (611, 66101), (637, 63403), (893, 45227), (923, 43757), (931, 43381), (1349, 29939), (1729, 23359), (2303, 17537), (3337, 12103), (3479, 11609), (4277, 9443), (6251, 6461)]