66391409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 84934656

約数和(自身を除く): 18543247

約数列:

[1, 7, 17, 23, 119, 127, 161, 191, 391, 889, 1337, 2159, 2737, 2921, 3247, 4393, 15113, 20447, 22729, 24257, 30751, 49657, 74681, 169799, 347599, 412369, 522767, 557911, 2886583, 3905377, 9484487, 66391409]

約数ペア:

[(1, 66391409), (7, 9484487), (17, 3905377), (23, 2886583), (119, 557911), (127, 522767), (161, 412369), (191, 347599), (391, 169799), (889, 74681), (1337, 49657), (2159, 30751), (2737, 24257), (2921, 22729), (3247, 20447), (4393, 15113)]