221719648

素因数分解:

$2^5\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{613}}^1$

素因数の和:839

約数の個数: 48

約数和(自身を含む): 445616640

約数和(自身を除く): 223896992

約数列:

[1, 2, 4, 8, 16, 32, 89, 127, 178, 254, 356, 508, 613, 712, 1016, 1226, 1424, 2032, 2452, 2848, 4064, 4904, 9808, 11303, 19616, 22606, 45212, 54557, 77851, 90424, 109114, 155702, 180848, 218228, 311404, 361696, 436456, 622808, 872912, 1245616, 1745824, 2491232, 6928739, 13857478, 27714956, 55429912, 110859824, 221719648]

約数ペア:

[(1, 221719648), (2, 110859824), (4, 55429912), (8, 27714956), (16, 13857478), (32, 6928739), (89, 2491232), (127, 1745824), (178, 1245616), (254, 872912), (356, 622808), (508, 436456), (613, 361696), (712, 311404), (1016, 218228), (1226, 180848), (1424, 155702), (2032, 109114), (2452, 90424), (2848, 77851), (4064, 54557), (4904, 45212), (9808, 22606), (11303, 19616)]