215409605

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{30707}}^1$

素因数の和:30796

約数の個数: 16

約数和(自身を含む): 274161024

約数和(自身を除く): 58751419

約数列:

[1, 5, 23, 61, 115, 305, 1403, 7015, 30707, 153535, 706261, 1873127, 3531305, 9365635, 43081921, 215409605]

約数ペア:

[(1, 215409605), (5, 43081921), (23, 9365635), (61, 3531305), (115, 1873127), (305, 706261), (1403, 153535), (7015, 30707)]