290233486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{139939}}^1$

素因数の和:140019

約数の個数: 16

約数和(自身を含む): 468519120

約数和(自身を除く): 178285634

約数列:

[1, 2, 17, 34, 61, 122, 1037, 2074, 139939, 279878, 2378963, 4757926, 8536279, 17072558, 145116743, 290233486]

約数ペア:

[(1, 290233486), (2, 145116743), (17, 17072558), (34, 8536279), (61, 4757926), (122, 2378963), (1037, 279878), (2074, 139939)]