1640887930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193}}^1\times {\mathrm{77291}}^1$

素因数の和:77502

約数の個数: 32

約数和(自身を含む): 3238843968

約数和(自身を除く): 1597956038

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 193, 386, 965, 1930, 2123, 4246, 10615, 21230, 77291, 154582, 386455, 772910, 850201, 1700402, 4251005, 8502010, 14917163, 29834326, 74585815, 149171630, 164088793, 328177586, 820443965, 1640887930]

約数ペア:

[(1, 1640887930), (2, 820443965), (5, 328177586), (10, 164088793), (11, 149171630), (22, 74585815), (55, 29834326), (110, 14917163), (193, 8502010), (386, 4251005), (965, 1700402), (1930, 850201), (2123, 772910), (4246, 386455), (10615, 154582), (21230, 77291)]