131569207

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{503}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 170311680

約数和(自身を除く): 38742473

約数列:

[1, 7, 11, 43, 77, 79, 301, 473, 503, 553, 869, 3311, 3397, 3521, 5533, 6083, 21629, 23779, 37367, 38731, 39737, 151403, 237919, 261569, 278159, 437107, 1665433, 1708691, 3059749, 11960837, 18795601, 131569207]

約数ペア:

[(1, 131569207), (7, 18795601), (11, 11960837), (43, 3059749), (77, 1708691), (79, 1665433), (301, 437107), (473, 278159), (503, 261569), (553, 237919), (869, 151403), (3311, 39737), (3397, 38731), (3521, 37367), (5533, 23779), (6083, 21629)]