689672008

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{433}}^1\times {\mathrm{5381}}^1$

素因数の和:5857

約数の個数: 32

約数和(自身を含む): 1331399160

約数和(自身を除く): 641727152

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 433, 866, 1732, 3464, 5381, 10762, 16021, 21524, 32042, 43048, 64084, 128168, 199097, 398194, 796388, 1592776, 2329973, 4659946, 9319892, 18639784, 86209001, 172418002, 344836004, 689672008]

約数ペア:

[(1, 689672008), (2, 344836004), (4, 172418002), (8, 86209001), (37, 18639784), (74, 9319892), (148, 4659946), (296, 2329973), (433, 1592776), (866, 796388), (1732, 398194), (3464, 199097), (5381, 128168), (10762, 64084), (16021, 43048), (21524, 32042)]