338990905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1549}}^1$

素因数の和:1761

約数の個数: 32

約数和(自身を含む): 466041600

約数和(自身を除く): 127050695

約数列:

[1, 5, 11, 23, 55, 115, 173, 253, 865, 1265, 1549, 1903, 3979, 7745, 9515, 17039, 19895, 35627, 43769, 85195, 178135, 218845, 267977, 391897, 1339885, 1959485, 2947747, 6163471, 14738735, 30817355, 67798181, 338990905]

約数ペア:

[(1, 338990905), (5, 67798181), (11, 30817355), (23, 14738735), (55, 6163471), (115, 2947747), (173, 1959485), (253, 1339885), (865, 391897), (1265, 267977), (1549, 218845), (1903, 178135), (3979, 85195), (7745, 43769), (9515, 35627), (17039, 19895)]