40089791

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 52497000

約数和(自身を除く): 12407209

約数列:

[1, 7, 17, 19, 49, 119, 133, 149, 289, 323, 833, 931, 1043, 2023, 2261, 2533, 2831, 5491, 7301, 14161, 15827, 17731, 19817, 38437, 43061, 48127, 124117, 138719, 269059, 301427, 336889, 818159, 2109989, 2358223, 5727113, 40089791]

約数ペア:

[(1, 40089791), (7, 5727113), (17, 2358223), (19, 2109989), (49, 818159), (119, 336889), (133, 301427), (149, 269059), (289, 138719), (323, 124117), (833, 48127), (931, 43061), (1043, 38437), (2023, 19817), (2261, 17731), (2533, 15827), (2831, 14161), (5491, 7301)]