1257029215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{39227}}^1$

素因数の和:39291

約数の個数: 32

約数和(自身を含む): 1779382080

約数和(自身を除く): 522352865

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 6409, 32045, 39227, 196135, 509951, 666859, 1137583, 2549755, 3334295, 5687915, 8669167, 14788579, 19338911, 43345835, 73942895, 96694555, 251405843, 1257029215]

約数ペア:

[(1, 1257029215), (5, 251405843), (13, 96694555), (17, 73942895), (29, 43345835), (65, 19338911), (85, 14788579), (145, 8669167), (221, 5687915), (377, 3334295), (493, 2549755), (1105, 1137583), (1885, 666859), (2465, 509951), (6409, 196135), (32045, 39227)]