28298561005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{691}}^1$

素因数の和:899

約数の個数: 96

約数和(自身を含む): 41561985024

約数和(自身を除く): 13263424019

約数列:

[1, 5, 11, 13, 41, 55, 65, 121, 127, 143, 205, 451, 533, 605, 635, 691, 715, 1397, 1573, 1651, 2255, 2665, 3455, 4961, 5207, 5863, 6985, 7601, 7865, 8255, 8983, 15367, 18161, 24805, 26035, 28331, 29315, 38005, 44915, 57277, 64493, 67691, 76835, 83611, 87757, 90805, 98813, 141655, 199771, 286385, 311641, 322465, 338455, 368303, 418055, 438785, 494065, 630047, 744601, 965327, 998855, 1086943, 1140841, 1558205, 1841515, 3150235, 3428051, 3598037, 3723005, 4051333, 4826635, 5434715, 5704205, 8190611, 10618597, 12549251, 17140255, 17990185, 20256665, 39578407, 40953055, 44564663, 46774481, 53092985, 62746255, 138041761, 197892035, 222823315, 233872405, 435362477, 514519291, 690208805, 2176812385, 2572596455, 5659712201, 28298561005]

約数ペア:

[(1, 28298561005), (5, 5659712201), (11, 2572596455), (13, 2176812385), (41, 690208805), (55, 514519291), (65, 435362477), (121, 233872405), (127, 222823315), (143, 197892035), (205, 138041761), (451, 62746255), (533, 53092985), (605, 46774481), (635, 44564663), (691, 40953055), (715, 39578407), (1397, 20256665), (1573, 17990185), (1651, 17140255), (2255, 12549251), (2665, 10618597), (3455, 8190611), (4961, 5704205), (5207, 5434715), (5863, 4826635), (6985, 4051333), (7601, 3723005), (7865, 3598037), (8255, 3428051), (8983, 3150235), (15367, 1841515), (18161, 1558205), (24805, 1140841), (26035, 1086943), (28331, 998855), (29315, 965327), (38005, 744601), (44915, 630047), (57277, 494065), (64493, 438785), (67691, 418055), (76835, 368303), (83611, 338455), (87757, 322465), (90805, 311641), (98813, 286385), (141655, 199771)]