271844365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 64

約数和(自身を含む): 391849920

約数和(自身を除く): 120005555

約数列:

[1, 5, 13, 17, 37, 61, 65, 85, 109, 185, 221, 305, 481, 545, 629, 793, 1037, 1105, 1417, 1853, 2257, 2405, 3145, 3965, 4033, 5185, 6649, 7085, 8177, 9265, 11285, 13481, 20165, 24089, 29341, 33245, 38369, 40885, 52429, 67405, 68561, 86437, 113033, 120445, 146705, 191845, 246013, 262145, 342805, 432185, 498797, 565165, 891293, 1230065, 1469429, 2493985, 3198169, 4182221, 4456465, 7347145, 15990845, 20911105, 54368873, 271844365]

約数ペア:

[(1, 271844365), (5, 54368873), (13, 20911105), (17, 15990845), (37, 7347145), (61, 4456465), (65, 4182221), (85, 3198169), (109, 2493985), (185, 1469429), (221, 1230065), (305, 891293), (481, 565165), (545, 498797), (629, 432185), (793, 342805), (1037, 262145), (1105, 246013), (1417, 191845), (1853, 146705), (2257, 120445), (2405, 113033), (3145, 86437), (3965, 68561), (4033, 67405), (5185, 52429), (6649, 40885), (7085, 38369), (8177, 33245), (9265, 29341), (11285, 24089), (13481, 20165)]