4004231

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 5909760

約数和(自身を除く): 1905529

約数列:

[1, 7, 11, 17, 19, 23, 49, 77, 119, 133, 161, 187, 209, 253, 323, 391, 437, 539, 833, 931, 1127, 1309, 1463, 1771, 2261, 2737, 3059, 3553, 4301, 4807, 7429, 9163, 10241, 12397, 15827, 19159, 21413, 24871, 30107, 33649, 52003, 81719, 174097, 210749, 235543, 364021, 572033, 4004231]

約数ペア:

[(1, 4004231), (7, 572033), (11, 364021), (17, 235543), (19, 210749), (23, 174097), (49, 81719), (77, 52003), (119, 33649), (133, 30107), (161, 24871), (187, 21413), (209, 19159), (253, 15827), (323, 12397), (391, 10241), (437, 9163), (539, 7429), (833, 4807), (931, 4301), (1127, 3553), (1309, 3059), (1463, 2737), (1771, 2261)]