203411164

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{420271}}^1$

素因数の和:420297

約数の個数: 18

約数和(自身を含む): 391273232

約数和(自身を除く): 187862068

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 420271, 840542, 1681084, 4622981, 9245962, 18491924, 50852791, 101705582, 203411164]

約数ペア:

[(1, 203411164), (2, 101705582), (4, 50852791), (11, 18491924), (22, 9245962), (44, 4622981), (121, 1681084), (242, 840542), (484, 420271)]