81559464

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1889}}^1$

素因数の和:2162

約数の個数: 64

約数和(自身を含む): 234057600

約数和(自身を除く): 152498136

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 771, 1028, 1542, 1799, 1889, 2056, 3084, 3598, 3778, 5397, 5667, 6168, 7196, 7556, 10794, 11334, 13223, 14392, 15112, 21588, 22668, 26446, 39669, 43176, 45336, 52892, 79338, 105784, 158676, 317352, 485473, 970946, 1456419, 1941892, 2912838, 3398311, 3883784, 5825676, 6796622, 10194933, 11651352, 13593244, 20389866, 27186488, 40779732, 81559464]

約数ペア:

[(1, 81559464), (2, 40779732), (3, 27186488), (4, 20389866), (6, 13593244), (7, 11651352), (8, 10194933), (12, 6796622), (14, 5825676), (21, 3883784), (24, 3398311), (28, 2912838), (42, 1941892), (56, 1456419), (84, 970946), (168, 485473), (257, 317352), (514, 158676), (771, 105784), (1028, 79338), (1542, 52892), (1799, 45336), (1889, 43176), (2056, 39669), (3084, 26446), (3598, 22668), (3778, 21588), (5397, 15112), (5667, 14392), (6168, 13223), (7196, 11334), (7556, 10794)]