7888957310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1\times {\mathrm{1009}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 15454454400

約数和(自身を除く): 7565497090

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 274, 439, 685, 878, 1009, 1370, 1781, 2018, 2195, 3562, 4390, 5045, 5707, 8905, 10090, 11414, 13117, 17810, 26234, 28535, 57070, 60143, 65585, 120286, 131170, 138233, 276466, 300715, 442951, 601430, 691165, 781859, 885902, 1382330, 1563718, 1797029, 2214755, 3594058, 3909295, 4429510, 5758363, 7818590, 8985145, 11516726, 17970290, 28791815, 57583630, 60684287, 121368574, 303421435, 606842870, 788895731, 1577791462, 3944478655, 7888957310]

約数ペア:

[(1, 7888957310), (2, 3944478655), (5, 1577791462), (10, 788895731), (13, 606842870), (26, 303421435), (65, 121368574), (130, 60684287), (137, 57583630), (274, 28791815), (439, 17970290), (685, 11516726), (878, 8985145), (1009, 7818590), (1370, 5758363), (1781, 4429510), (2018, 3909295), (2195, 3594058), (3562, 2214755), (4390, 1797029), (5045, 1563718), (5707, 1382330), (8905, 885902), (10090, 781859), (11414, 691165), (13117, 601430), (17810, 442951), (26234, 300715), (28535, 276466), (57070, 138233), (60143, 131170), (65585, 120286)]