131405004

素因数分解:

$2^2\times 3^4\times {\mathrm{431}}^1\times {\mathrm{941}}^1$

素因数の和:1388

約数の個数: 60

約数和(自身を含む): 344681568

約数和(自身を除く): 213276564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 431, 862, 941, 1293, 1724, 1882, 2586, 2823, 3764, 3879, 5172, 5646, 7758, 8469, 11292, 11637, 15516, 16938, 23274, 25407, 33876, 34911, 46548, 50814, 69822, 76221, 101628, 139644, 152442, 304884, 405571, 811142, 1216713, 1622284, 2433426, 3650139, 4866852, 7300278, 10950417, 14600556, 21900834, 32851251, 43801668, 65702502, 131405004]

約数ペア:

[(1, 131405004), (2, 65702502), (3, 43801668), (4, 32851251), (6, 21900834), (9, 14600556), (12, 10950417), (18, 7300278), (27, 4866852), (36, 3650139), (54, 2433426), (81, 1622284), (108, 1216713), (162, 811142), (324, 405571), (431, 304884), (862, 152442), (941, 139644), (1293, 101628), (1724, 76221), (1882, 69822), (2586, 50814), (2823, 46548), (3764, 34911), (3879, 33876), (5172, 25407), (5646, 23274), (7758, 16938), (8469, 15516), (11292, 11637)]