16217964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:619

約数の個数: 72

約数和(自身を含む): 47290880

約数和(自身を除く): 31072916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 463, 556, 834, 926, 973, 1251, 1389, 1668, 1852, 1946, 2502, 2778, 2919, 3241, 3892, 4167, 5004, 5556, 5838, 6482, 8334, 8757, 9723, 11676, 12964, 16668, 17514, 19446, 29169, 35028, 38892, 58338, 64357, 116676, 128714, 193071, 257428, 386142, 450499, 579213, 772284, 900998, 1158426, 1351497, 1801996, 2316852, 2702994, 4054491, 5405988, 8108982, 16217964]

約数ペア:

[(1, 16217964), (2, 8108982), (3, 5405988), (4, 4054491), (6, 2702994), (7, 2316852), (9, 1801996), (12, 1351497), (14, 1158426), (18, 900998), (21, 772284), (28, 579213), (36, 450499), (42, 386142), (63, 257428), (84, 193071), (126, 128714), (139, 116676), (252, 64357), (278, 58338), (417, 38892), (463, 35028), (556, 29169), (834, 19446), (926, 17514), (973, 16668), (1251, 12964), (1389, 11676), (1668, 9723), (1852, 8757), (1946, 8334), (2502, 6482), (2778, 5838), (2919, 5556), (3241, 5004), (3892, 4167)]