2018216655

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{7823}}^1$

素因数の和:7867

約数の個数: 120

約数和(自身を含む): 4532818752

約数和(自身を除く): 2514602097

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 27, 35, 39, 45, 49, 63, 65, 81, 91, 105, 117, 135, 147, 189, 195, 245, 273, 315, 351, 405, 441, 455, 567, 585, 637, 735, 819, 945, 1053, 1323, 1365, 1755, 1911, 2205, 2457, 2835, 3185, 3969, 4095, 5265, 5733, 6615, 7371, 7823, 9555, 12285, 17199, 19845, 23469, 28665, 36855, 39115, 51597, 54761, 70407, 85995, 101699, 117345, 164283, 211221, 257985, 273805, 305097, 352035, 383327, 492849, 508495, 633663, 711893, 821415, 915291, 1056105, 1149981, 1478547, 1525485, 1916635, 2135679, 2464245, 2745873, 3168315, 3449943, 3559465, 4435641, 4576455, 4983251, 5749905, 6407037, 7392735, 8237619, 10349829, 10678395, 13729365, 14949753, 17249715, 19221111, 22178205, 24916255, 31049487, 32035185, 41188095, 44849259, 51749145, 57663333, 74748765, 96105555, 134547777, 155247435, 224246295, 288316665, 403643331, 672738885, 2018216655]

約数ペア:

[(1, 2018216655), (3, 672738885), (5, 403643331), (7, 288316665), (9, 224246295), (13, 155247435), (15, 134547777), (21, 96105555), (27, 74748765), (35, 57663333), (39, 51749145), (45, 44849259), (49, 41188095), (63, 32035185), (65, 31049487), (81, 24916255), (91, 22178205), (105, 19221111), (117, 17249715), (135, 14949753), (147, 13729365), (189, 10678395), (195, 10349829), (245, 8237619), (273, 7392735), (315, 6407037), (351, 5749905), (405, 4983251), (441, 4576455), (455, 4435641), (567, 3559465), (585, 3449943), (637, 3168315), (735, 2745873), (819, 2464245), (945, 2135679), (1053, 1916635), (1323, 1525485), (1365, 1478547), (1755, 1149981), (1911, 1056105), (2205, 915291), (2457, 821415), (2835, 711893), (3185, 633663), (3969, 508495), (4095, 492849), (5265, 383327), (5733, 352035), (6615, 305097), (7371, 273805), (7823, 257985), (9555, 211221), (12285, 164283), (17199, 117345), (19845, 101699), (23469, 85995), (28665, 70407), (36855, 54761), (39115, 51597)]