68389668

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 177340800

約数和(自身を除く): 108951132

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 139, 158, 173, 237, 278, 316, 346, 417, 474, 519, 556, 692, 711, 834, 948, 1038, 1251, 1422, 1557, 1668, 2076, 2502, 2844, 3114, 5004, 6228, 10981, 13667, 21962, 24047, 27334, 32943, 41001, 43924, 48094, 54668, 65886, 72141, 82002, 96188, 98829, 123003, 131772, 144282, 164004, 197658, 216423, 246006, 288564, 395316, 432846, 492012, 865692, 1899713, 3799426, 5699139, 7598852, 11398278, 17097417, 22796556, 34194834, 68389668]

約数ペア:

[(1, 68389668), (2, 34194834), (3, 22796556), (4, 17097417), (6, 11398278), (9, 7598852), (12, 5699139), (18, 3799426), (36, 1899713), (79, 865692), (139, 492012), (158, 432846), (173, 395316), (237, 288564), (278, 246006), (316, 216423), (346, 197658), (417, 164004), (474, 144282), (519, 131772), (556, 123003), (692, 98829), (711, 96188), (834, 82002), (948, 72141), (1038, 65886), (1251, 54668), (1422, 48094), (1557, 43924), (1668, 41001), (2076, 32943), (2502, 27334), (2844, 24047), (3114, 21962), (5004, 13667), (6228, 10981)]