289399302

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{220243}}^1$

素因数の和:220324

約数の個数: 24

約数和(自身を含む): 635624184

約数和(自身を除く): 346224882

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 220243, 440486, 660729, 1321458, 1982187, 3964374, 16077739, 32155478, 48233217, 96466434, 144699651, 289399302]

約数ペア:

[(1, 289399302), (2, 144699651), (3, 96466434), (6, 48233217), (9, 32155478), (18, 16077739), (73, 3964374), (146, 1982187), (219, 1321458), (438, 660729), (657, 440486), (1314, 220243)]