38437399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:140

約数の個数: 64

約数和(自身を含む): 56770560

約数和(自身を除く): 18333161

約数列:

[1, 7, 11, 13, 19, 43, 47, 77, 91, 133, 143, 209, 247, 301, 329, 473, 517, 559, 611, 817, 893, 1001, 1463, 1729, 2021, 2717, 3311, 3619, 3913, 4277, 5719, 6149, 6251, 6721, 8987, 9823, 10621, 11609, 14147, 19019, 22231, 26273, 38399, 43043, 47047, 62909, 68761, 74347, 81263, 116831, 127699, 155617, 183911, 268793, 289003, 422389, 499187, 817817, 893893, 2023021, 2956723, 3494309, 5491057, 38437399]

約数ペア:

[(1, 38437399), (7, 5491057), (11, 3494309), (13, 2956723), (19, 2023021), (43, 893893), (47, 817817), (77, 499187), (91, 422389), (133, 289003), (143, 268793), (209, 183911), (247, 155617), (301, 127699), (329, 116831), (473, 81263), (517, 74347), (559, 68761), (611, 62909), (817, 47047), (893, 43043), (1001, 38399), (1463, 26273), (1729, 22231), (2021, 19019), (2717, 14147), (3311, 11609), (3619, 10621), (3913, 9823), (4277, 8987), (5719, 6721), (6149, 6251)]