280451885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{4877}}^1$

素因数の和:4973

約数の個数: 32

約数和(自身を含む): 404600832

約数和(自身を除く): 124148947

約数列:

[1, 5, 7, 31, 35, 53, 155, 217, 265, 371, 1085, 1643, 1855, 4877, 8215, 11501, 24385, 34139, 57505, 151187, 170695, 258481, 755935, 1058309, 1292405, 1809367, 5291545, 8012911, 9046835, 40064555, 56090377, 280451885]

約数ペア:

[(1, 280451885), (5, 56090377), (7, 40064555), (31, 9046835), (35, 8012911), (53, 5291545), (155, 1809367), (217, 1292405), (265, 1058309), (371, 755935), (1085, 258481), (1643, 170695), (1855, 151187), (4877, 57505), (8215, 34139), (11501, 24385)]