31512910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{22037}}^1$

素因数の和:22068

約数の個数: 32

約数和(自身を含む): 66642912

約数和(自身を除く): 35130002

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 22037, 44074, 110185, 220370, 242407, 286481, 484814, 572962, 1212035, 1432405, 2424070, 2864810, 3151291, 6302582, 15756455, 31512910]

約数ペア:

[(1, 31512910), (2, 15756455), (5, 6302582), (10, 3151291), (11, 2864810), (13, 2424070), (22, 1432405), (26, 1212035), (55, 572962), (65, 484814), (110, 286481), (130, 242407), (143, 220370), (286, 110185), (715, 44074), (1430, 22037)]