680687276

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{212981}}^1$

素因数の和:213049

約数の個数: 24

約数和(自身を含む): 1288115136

約数和(自身を除く): 607427860

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 212981, 425962, 851924, 3620677, 7241354, 10010107, 14482708, 20020214, 40040428, 170171819, 340343638, 680687276]

約数ペア:

[(1, 680687276), (2, 340343638), (4, 170171819), (17, 40040428), (34, 20020214), (47, 14482708), (68, 10010107), (94, 7241354), (188, 3620677), (799, 851924), (1598, 425962), (3196, 212981)]