520067191

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{1319}}^1$

素因数の和:1459

約数の個数: 32

約数和(自身を含む): 648806400

約数和(自身を除く): 128739209

約数列:

[1, 7, 23, 31, 79, 161, 217, 553, 713, 1319, 1817, 2449, 4991, 9233, 12719, 17143, 30337, 40889, 56327, 104201, 212359, 286223, 394289, 729407, 940447, 2396623, 3230231, 6583129, 16776361, 22611617, 74295313, 520067191]

約数ペア:

[(1, 520067191), (7, 74295313), (23, 22611617), (31, 16776361), (79, 6583129), (161, 3230231), (217, 2396623), (553, 940447), (713, 729407), (1319, 394289), (1817, 286223), (2449, 212359), (4991, 104201), (9233, 56327), (12719, 40889), (17143, 30337)]