79920828

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 218618400

約数和(自身を除く): 138697572

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 389, 439, 468, 778, 878, 1167, 1317, 1556, 1756, 2334, 2634, 3501, 3951, 4668, 5057, 5268, 5707, 7002, 7902, 10114, 11414, 14004, 15171, 15804, 17121, 20228, 22828, 30342, 34242, 45513, 51363, 60684, 68484, 91026, 102726, 170771, 182052, 205452, 341542, 512313, 683084, 1024626, 1536939, 2049252, 2220023, 3073878, 4440046, 6147756, 6660069, 8880092, 13320138, 19980207, 26640276, 39960414, 79920828]

約数ペア:

[(1, 79920828), (2, 39960414), (3, 26640276), (4, 19980207), (6, 13320138), (9, 8880092), (12, 6660069), (13, 6147756), (18, 4440046), (26, 3073878), (36, 2220023), (39, 2049252), (52, 1536939), (78, 1024626), (117, 683084), (156, 512313), (234, 341542), (389, 205452), (439, 182052), (468, 170771), (778, 102726), (878, 91026), (1167, 68484), (1317, 60684), (1556, 51363), (1756, 45513), (2334, 34242), (2634, 30342), (3501, 22828), (3951, 20228), (4668, 17121), (5057, 15804), (5268, 15171), (5707, 14004), (7002, 11414), (7902, 10114)]