28156535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 10550665

約数列:

[1, 5, 11, 29, 55, 127, 139, 145, 319, 635, 695, 1397, 1529, 1595, 3683, 4031, 6985, 7645, 17653, 18415, 20155, 40513, 44341, 88265, 194183, 202565, 221705, 511937, 970915, 2559685, 5631307, 28156535]

約数ペア:

[(1, 28156535), (5, 5631307), (11, 2559685), (29, 970915), (55, 511937), (127, 221705), (139, 202565), (145, 194183), (319, 88265), (635, 44341), (695, 40513), (1397, 20155), (1529, 18415), (1595, 17653), (3683, 7645), (4031, 6985)]