71340784

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1069}}^1$

素因数の和:1217

約数の個数: 40

約数和(自身を含む): 143029040

約数和(自身を除く): 71688256

約数列:

[1, 2, 4, 8, 16, 43, 86, 97, 172, 194, 344, 388, 688, 776, 1069, 1552, 2138, 4171, 4276, 8342, 8552, 16684, 17104, 33368, 45967, 66736, 91934, 103693, 183868, 207386, 367736, 414772, 735472, 829544, 1659088, 4458799, 8917598, 17835196, 35670392, 71340784]

約数ペア:

[(1, 71340784), (2, 35670392), (4, 17835196), (8, 8917598), (16, 4458799), (43, 1659088), (86, 829544), (97, 735472), (172, 414772), (194, 367736), (344, 207386), (388, 183868), (688, 103693), (776, 91934), (1069, 66736), (1552, 45967), (2138, 33368), (4171, 17104), (4276, 16684), (8342, 8552)]