289321835

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{9547}}^1$

素因数の和:9611

約数の個数: 32

約数和(自身を含む): 412473600

約数和(自身を除く): 123151765

約数列:

[1, 5, 11, 19, 29, 55, 95, 145, 209, 319, 551, 1045, 1595, 2755, 6061, 9547, 30305, 47735, 105017, 181393, 276863, 525085, 906965, 1384315, 1995323, 3045493, 5260397, 9976615, 15227465, 26301985, 57864367, 289321835]

約数ペア:

[(1, 289321835), (5, 57864367), (11, 26301985), (19, 15227465), (29, 9976615), (55, 5260397), (95, 3045493), (145, 1995323), (209, 1384315), (319, 906965), (551, 525085), (1045, 276863), (1595, 181393), (2755, 105017), (6061, 47735), (9547, 30305)]