278427864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2617}}^1$

素因数の和:2681

約数の個数: 128

約数和(自身を含む): 844462080

約数和(自身を除く): 566034216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 31, 33, 39, 44, 52, 62, 66, 78, 88, 93, 104, 124, 132, 143, 156, 186, 248, 264, 286, 312, 341, 372, 403, 429, 572, 682, 744, 806, 858, 1023, 1144, 1209, 1364, 1612, 1716, 2046, 2418, 2617, 2728, 3224, 3432, 4092, 4433, 4836, 5234, 7851, 8184, 8866, 9672, 10468, 13299, 15702, 17732, 20936, 26598, 28787, 31404, 34021, 35464, 53196, 57574, 62808, 68042, 81127, 86361, 102063, 106392, 115148, 136084, 162254, 172722, 204126, 230296, 243381, 272168, 324508, 345444, 374231, 408252, 486762, 649016, 690888, 748462, 816504, 892397, 973524, 1054651, 1122693, 1496924, 1784794, 1947048, 2109302, 2245386, 2677191, 2993848, 3163953, 3569588, 4218604, 4490772, 5354382, 6327906, 7139176, 8437208, 8981544, 10708764, 11601161, 12655812, 21417528, 23202322, 25311624, 34803483, 46404644, 69606966, 92809288, 139213932, 278427864]

約数ペア:

[(1, 278427864), (2, 139213932), (3, 92809288), (4, 69606966), (6, 46404644), (8, 34803483), (11, 25311624), (12, 23202322), (13, 21417528), (22, 12655812), (24, 11601161), (26, 10708764), (31, 8981544), (33, 8437208), (39, 7139176), (44, 6327906), (52, 5354382), (62, 4490772), (66, 4218604), (78, 3569588), (88, 3163953), (93, 2993848), (104, 2677191), (124, 2245386), (132, 2109302), (143, 1947048), (156, 1784794), (186, 1496924), (248, 1122693), (264, 1054651), (286, 973524), (312, 892397), (341, 816504), (372, 748462), (403, 690888), (429, 649016), (572, 486762), (682, 408252), (744, 374231), (806, 345444), (858, 324508), (1023, 272168), (1144, 243381), (1209, 230296), (1364, 204126), (1612, 172722), (1716, 162254), (2046, 136084), (2418, 115148), (2617, 106392), (2728, 102063), (3224, 86361), (3432, 81127), (4092, 68042), (4433, 62808), (4836, 57574), (5234, 53196), (7851, 35464), (8184, 34021), (8866, 31404), (9672, 28787), (10468, 26598), (13299, 20936), (15702, 17732)]