689632013

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1321}}^1$

素因数の和:1493

約数の個数: 32

約数和(自身を含む): 863509248

約数和(自身を除く): 173877235

約数列:

[1, 7, 17, 41, 107, 119, 287, 697, 749, 1321, 1819, 4387, 4879, 9247, 12733, 22457, 30709, 54161, 74579, 141347, 157199, 379127, 522053, 920737, 989429, 2402899, 5795227, 6445159, 16820293, 40566589, 98518859, 689632013]

約数ペア:

[(1, 689632013), (7, 98518859), (17, 40566589), (41, 16820293), (107, 6445159), (119, 5795227), (287, 2402899), (697, 989429), (749, 920737), (1321, 522053), (1819, 379127), (4387, 157199), (4879, 141347), (9247, 74579), (12733, 54161), (22457, 30709)]