51260209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1249}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 70560000

約数和(自身を除く): 19299791

約数列:

[1, 7, 11, 13, 41, 77, 91, 143, 287, 451, 533, 1001, 1249, 3157, 3731, 5863, 8743, 13739, 16237, 41041, 51209, 96173, 113659, 178607, 358463, 563299, 665717, 1250249, 3943093, 4660019, 7322887, 51260209]

約数ペア:

[(1, 51260209), (7, 7322887), (11, 4660019), (13, 3943093), (41, 1250249), (77, 665717), (91, 563299), (143, 358463), (287, 178607), (451, 113659), (533, 96173), (1001, 51209), (1249, 41041), (3157, 16237), (3731, 13739), (5863, 8743)]