204580885

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{821}}^1$

素因数の和:949

約数の個数: 32

約数和(自身を含む): 269089920

約数和(自身を除く): 64509035

約数列:

[1, 5, 19, 43, 61, 95, 215, 305, 817, 821, 1159, 2623, 4085, 4105, 5795, 13115, 15599, 35303, 49837, 50081, 77995, 176515, 249185, 250405, 670757, 951539, 2153483, 3353785, 4757695, 10767415, 40916177, 204580885]

約数ペア:

[(1, 204580885), (5, 40916177), (19, 10767415), (43, 4757695), (61, 3353785), (95, 2153483), (215, 951539), (305, 670757), (817, 250405), (821, 249185), (1159, 176515), (2623, 77995), (4085, 50081), (4105, 49837), (5795, 35303), (13115, 15599)]