28287796

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 48

約数和(自身を含む): 54867456

約数和(自身を除く): 26579660

約数列:

[1, 2, 4, 17, 34, 47, 53, 68, 94, 106, 167, 188, 212, 334, 668, 799, 901, 1598, 1802, 2491, 2839, 3196, 3604, 4982, 5678, 7849, 8851, 9964, 11356, 15698, 17702, 31396, 35404, 42347, 84694, 133433, 150467, 169388, 266866, 300934, 415997, 533732, 601868, 831994, 1663988, 7071949, 14143898, 28287796]

約数ペア:

[(1, 28287796), (2, 14143898), (4, 7071949), (17, 1663988), (34, 831994), (47, 601868), (53, 533732), (68, 415997), (94, 300934), (106, 266866), (167, 169388), (188, 150467), (212, 133433), (334, 84694), (668, 42347), (799, 35404), (901, 31396), (1598, 17702), (1802, 15698), (2491, 11356), (2839, 9964), (3196, 8851), (3604, 7849), (4982, 5678)]