248740638

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 528878592

約数和(自身を除く): 280137954

約数列:

[1, 2, 3, 6, 43, 47, 73, 86, 94, 129, 141, 146, 219, 258, 281, 282, 438, 562, 843, 1686, 2021, 3139, 3431, 4042, 6063, 6278, 6862, 9417, 10293, 12083, 12126, 13207, 18834, 20513, 20586, 24166, 26414, 36249, 39621, 41026, 61539, 72498, 79242, 123078, 147533, 295066, 442599, 567901, 882059, 885198, 964111, 1135802, 1703703, 1764118, 1928222, 2646177, 2892333, 3407406, 5292354, 5784666, 41456773, 82913546, 124370319, 248740638]

約数ペア:

[(1, 248740638), (2, 124370319), (3, 82913546), (6, 41456773), (43, 5784666), (47, 5292354), (73, 3407406), (86, 2892333), (94, 2646177), (129, 1928222), (141, 1764118), (146, 1703703), (219, 1135802), (258, 964111), (281, 885198), (282, 882059), (438, 567901), (562, 442599), (843, 295066), (1686, 147533), (2021, 123078), (3139, 79242), (3431, 72498), (4042, 61539), (6063, 41026), (6278, 39621), (6862, 36249), (9417, 26414), (10293, 24166), (12083, 20586), (12126, 20513), (13207, 18834)]