201990553919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{6231007}}^1$

素因数の和:6231446

約数の個数: 16

約数和(自身を含む): 252430596096

約数和(自身を除く): 50440042177

約数列:

[1, 7, 11, 77, 421, 2947, 4631, 32417, 6231007, 43617049, 68541077, 479787539, 2623253947, 18362777629, 28855793417, 201990553919]

約数ペア:

[(1, 201990553919), (7, 28855793417), (11, 18362777629), (77, 2623253947), (421, 479787539), (2947, 68541077), (4631, 43617049), (32417, 6231007)]