31828165

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 42799104

約数和(自身を除く): 10970939

約数列:

[1, 5, 17, 31, 47, 85, 155, 235, 257, 527, 799, 1285, 1457, 2635, 3995, 4369, 7285, 7967, 12079, 21845, 24769, 39835, 60395, 123845, 135439, 205343, 374449, 677195, 1026715, 1872245, 6365633, 31828165]

約数ペア:

[(1, 31828165), (5, 6365633), (17, 1872245), (31, 1026715), (47, 677195), (85, 374449), (155, 205343), (235, 135439), (257, 123845), (527, 60395), (799, 39835), (1285, 24769), (1457, 21845), (2635, 12079), (3995, 7967), (4369, 7285)]