218475785

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{3313}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 290902920

約数和(自身を除く): 72427135

約数列:

[1, 5, 11, 55, 109, 121, 545, 605, 1199, 3313, 5995, 13189, 16565, 36443, 65945, 182215, 361117, 400873, 1805585, 2004365, 3972287, 19861435, 43695157, 218475785]

約数ペア:

[(1, 218475785), (5, 43695157), (11, 19861435), (55, 3972287), (109, 2004365), (121, 1805585), (545, 400873), (605, 361117), (1199, 182215), (3313, 65945), (5995, 36443), (13189, 16565)]