201893905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{439}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 263577600

約数和(自身を除く): 61683695

約数列:

[1, 5, 19, 47, 95, 103, 235, 439, 515, 893, 1957, 2195, 4465, 4841, 8341, 9785, 20633, 24205, 41705, 45217, 91979, 103165, 226085, 392027, 459895, 859123, 1960135, 2125199, 4295615, 10625995, 40378781, 201893905]

約数ペア:

[(1, 201893905), (5, 40378781), (19, 10625995), (47, 4295615), (95, 2125199), (103, 1960135), (235, 859123), (439, 459895), (515, 392027), (893, 226085), (1957, 103165), (2195, 91979), (4465, 45217), (4841, 41705), (8341, 24205), (9785, 20633)]