13817540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{347}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 31921344

約数和(自身を除く): 18103804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 347, 362, 694, 724, 905, 1388, 1735, 1810, 1991, 3470, 3620, 3817, 3982, 6940, 7634, 7964, 9955, 15268, 19085, 19910, 38170, 39820, 62807, 76340, 125614, 251228, 314035, 628070, 690877, 1256140, 1381754, 2763508, 3454385, 6908770, 13817540]

約数ペア:

[(1, 13817540), (2, 6908770), (4, 3454385), (5, 2763508), (10, 1381754), (11, 1256140), (20, 690877), (22, 628070), (44, 314035), (55, 251228), (110, 125614), (181, 76340), (220, 62807), (347, 39820), (362, 38170), (694, 19910), (724, 19085), (905, 15268), (1388, 9955), (1735, 7964), (1810, 7634), (1991, 6940), (3470, 3982), (3620, 3817)]