42209713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 54190080

約数和(自身を除く): 11980367

約数列:

[1, 7, 13, 47, 71, 91, 139, 329, 497, 611, 923, 973, 1807, 3337, 4277, 6461, 6533, 9869, 12649, 23359, 43381, 45731, 69083, 84929, 128297, 303667, 463843, 594503, 898079, 3246901, 6029959, 42209713]

約数ペア:

[(1, 42209713), (7, 6029959), (13, 3246901), (47, 898079), (71, 594503), (91, 463843), (139, 303667), (329, 128297), (497, 84929), (611, 69083), (923, 45731), (973, 43381), (1807, 23359), (3337, 12649), (4277, 9869), (6461, 6533)]