68806668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 189665280

約数和(自身を除く): 120858612

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 83, 84, 139, 142, 166, 213, 249, 278, 284, 332, 417, 426, 497, 498, 556, 581, 834, 852, 973, 994, 996, 1162, 1491, 1668, 1743, 1946, 1988, 2324, 2919, 2982, 3486, 3892, 5838, 5893, 5964, 6972, 9869, 11537, 11676, 11786, 17679, 19738, 23074, 23572, 29607, 34611, 35358, 39476, 41251, 46148, 59214, 69083, 69222, 70716, 80759, 82502, 118428, 123753, 138166, 138444, 161518, 165004, 207249, 242277, 247506, 276332, 323036, 414498, 484554, 495012, 819127, 828996, 969108, 1638254, 2457381, 3276508, 4914762, 5733889, 9829524, 11467778, 17201667, 22935556, 34403334, 68806668]

約数ペア:

[(1, 68806668), (2, 34403334), (3, 22935556), (4, 17201667), (6, 11467778), (7, 9829524), (12, 5733889), (14, 4914762), (21, 3276508), (28, 2457381), (42, 1638254), (71, 969108), (83, 828996), (84, 819127), (139, 495012), (142, 484554), (166, 414498), (213, 323036), (249, 276332), (278, 247506), (284, 242277), (332, 207249), (417, 165004), (426, 161518), (497, 138444), (498, 138166), (556, 123753), (581, 118428), (834, 82502), (852, 80759), (973, 70716), (994, 69222), (996, 69083), (1162, 59214), (1491, 46148), (1668, 41251), (1743, 39476), (1946, 35358), (1988, 34611), (2324, 29607), (2919, 23572), (2982, 23074), (3486, 19738), (3892, 17679), (5838, 11786), (5893, 11676), (5964, 11537), (6972, 9869)]