638049492

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{242789}}^1$

素因数の和:242872

約数の個数: 36

約数和(自身を含む): 1634947860

約数和(自身を除く): 996898368

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 292, 438, 657, 876, 1314, 2628, 242789, 485578, 728367, 971156, 1456734, 2185101, 2913468, 4370202, 8740404, 17723597, 35447194, 53170791, 70894388, 106341582, 159512373, 212683164, 319024746, 638049492]

約数ペア:

[(1, 638049492), (2, 319024746), (3, 212683164), (4, 159512373), (6, 106341582), (9, 70894388), (12, 53170791), (18, 35447194), (36, 17723597), (73, 8740404), (146, 4370202), (219, 2913468), (292, 2185101), (438, 1456734), (657, 971156), (876, 728367), (1314, 485578), (2628, 242789)]