81226816

素因数分解:

$2^6\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{617}}^1$

素因数の和:668

約数の個数: 84

約数和(自身を含む): 187895484

約数和(自身を除く): 106668668

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 121, 136, 176, 187, 242, 272, 352, 374, 484, 544, 617, 704, 748, 968, 1088, 1234, 1496, 1936, 2057, 2468, 2992, 3872, 4114, 4936, 5984, 6787, 7744, 8228, 9872, 10489, 11968, 13574, 16456, 19744, 20978, 27148, 32912, 39488, 41956, 54296, 65824, 74657, 83912, 108592, 115379, 131648, 149314, 167824, 217184, 230758, 298628, 335648, 434368, 461516, 597256, 671296, 923032, 1194512, 1269169, 1846064, 2389024, 2538338, 3692128, 4778048, 5076676, 7384256, 10153352, 20306704, 40613408, 81226816]

約数ペア:

[(1, 81226816), (2, 40613408), (4, 20306704), (8, 10153352), (11, 7384256), (16, 5076676), (17, 4778048), (22, 3692128), (32, 2538338), (34, 2389024), (44, 1846064), (64, 1269169), (68, 1194512), (88, 923032), (121, 671296), (136, 597256), (176, 461516), (187, 434368), (242, 335648), (272, 298628), (352, 230758), (374, 217184), (484, 167824), (544, 149314), (617, 131648), (704, 115379), (748, 108592), (968, 83912), (1088, 74657), (1234, 65824), (1496, 54296), (1936, 41956), (2057, 39488), (2468, 32912), (2992, 27148), (3872, 20978), (4114, 19744), (4936, 16456), (5984, 13574), (6787, 11968), (7744, 10489), (8228, 9872)]