278804916

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1789}}^1$

素因数の和:1855

約数の個数: 120

約数和(自身を含む): 806581160

約数和(自身を除く): 527776244

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 37, 39, 52, 54, 74, 78, 81, 108, 111, 117, 148, 156, 162, 222, 234, 324, 333, 351, 444, 468, 481, 666, 702, 962, 999, 1053, 1332, 1404, 1443, 1789, 1924, 1998, 2106, 2886, 2997, 3578, 3996, 4212, 4329, 5367, 5772, 5994, 7156, 8658, 10734, 11988, 12987, 16101, 17316, 21468, 23257, 25974, 32202, 38961, 46514, 48303, 51948, 64404, 66193, 69771, 77922, 93028, 96606, 132386, 139542, 144909, 155844, 193212, 198579, 209313, 264772, 279084, 289818, 397158, 418626, 579636, 595737, 627939, 794316, 837252, 860509, 1191474, 1255878, 1721018, 1787211, 1883817, 2382948, 2511756, 2581527, 3442036, 3574422, 3767634, 5163054, 5361633, 7148844, 7535268, 7744581, 10326108, 10723266, 15489162, 21446532, 23233743, 30978324, 46467486, 69701229, 92934972, 139402458, 278804916]

約数ペア:

[(1, 278804916), (2, 139402458), (3, 92934972), (4, 69701229), (6, 46467486), (9, 30978324), (12, 23233743), (13, 21446532), (18, 15489162), (26, 10723266), (27, 10326108), (36, 7744581), (37, 7535268), (39, 7148844), (52, 5361633), (54, 5163054), (74, 3767634), (78, 3574422), (81, 3442036), (108, 2581527), (111, 2511756), (117, 2382948), (148, 1883817), (156, 1787211), (162, 1721018), (222, 1255878), (234, 1191474), (324, 860509), (333, 837252), (351, 794316), (444, 627939), (468, 595737), (481, 579636), (666, 418626), (702, 397158), (962, 289818), (999, 279084), (1053, 264772), (1332, 209313), (1404, 198579), (1443, 193212), (1789, 155844), (1924, 144909), (1998, 139542), (2106, 132386), (2886, 96606), (2997, 93028), (3578, 77922), (3996, 69771), (4212, 66193), (4329, 64404), (5367, 51948), (5772, 48303), (5994, 46514), (7156, 38961), (8658, 32202), (10734, 25974), (11988, 23257), (12987, 21468), (16101, 17316)]