490686

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{1669}}^1$

素因数の和:1688

約数の個数: 24

約数和(自身を含む): 1142280

約数和(自身を除く): 651594

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 1669, 3338, 5007, 10014, 11683, 23366, 35049, 70098, 81781, 163562, 245343, 490686]

約数ペア:

[(1, 490686), (2, 245343), (3, 163562), (6, 81781), (7, 70098), (14, 35049), (21, 23366), (42, 11683), (49, 10014), (98, 5007), (147, 3338), (294, 1669)]