2116721257

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1709}}^1$

素因数の和:1910

約数の個数: 32

約数和(自身を含む): 2593728000

約数和(自身を除く): 477006743

約数列:

[1, 7, 23, 49, 157, 161, 343, 1099, 1127, 1709, 3611, 7693, 7889, 11963, 25277, 39307, 53851, 83741, 176939, 268313, 275149, 586187, 1238573, 1878191, 1926043, 6171199, 13147337, 13482301, 43198393, 92031359, 302388751, 2116721257]

約数ペア:

[(1, 2116721257), (7, 302388751), (23, 92031359), (49, 43198393), (157, 13482301), (161, 13147337), (343, 6171199), (1099, 1926043), (1127, 1878191), (1709, 1238573), (3611, 586187), (7693, 275149), (7889, 268313), (11963, 176939), (25277, 83741), (39307, 53851)]