64891472

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:675

約数の個数: 40

約数和(自身を含む): 129503616

約数和(自身を除く): 64612144

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 257, 344, 367, 514, 688, 734, 1028, 1468, 2056, 2936, 4112, 5872, 11051, 15781, 22102, 31562, 44204, 63124, 88408, 94319, 126248, 176816, 188638, 252496, 377276, 754552, 1509104, 4055717, 8111434, 16222868, 32445736, 64891472]

約数ペア:

[(1, 64891472), (2, 32445736), (4, 16222868), (8, 8111434), (16, 4055717), (43, 1509104), (86, 754552), (172, 377276), (257, 252496), (344, 188638), (367, 176816), (514, 126248), (688, 94319), (734, 88408), (1028, 63124), (1468, 44204), (2056, 31562), (2936, 22102), (4112, 15781), (5872, 11051)]