280391648

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{203773}}^1$

素因数の和:203826

約数の個数: 24

約数和(自身を含む): 564861528

約数和(自身を除く): 284469880

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 203773, 407546, 815092, 1630184, 3260368, 6520736, 8762239, 17524478, 35048956, 70097912, 140195824, 280391648]

約数ペア:

[(1, 280391648), (2, 140195824), (4, 70097912), (8, 35048956), (16, 17524478), (32, 8762239), (43, 6520736), (86, 3260368), (172, 1630184), (344, 815092), (688, 407546), (1376, 203773)]