40887791

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 52101120

約数和(自身を除く): 11213329

約数列:

[1, 7, 19, 31, 47, 133, 211, 217, 329, 589, 893, 1457, 1477, 4009, 4123, 6251, 6541, 9917, 10199, 27683, 28063, 45787, 69419, 124279, 188423, 193781, 307427, 869953, 1318961, 2151989, 5841113, 40887791]

約数ペア:

[(1, 40887791), (7, 5841113), (19, 2151989), (31, 1318961), (47, 869953), (133, 307427), (211, 193781), (217, 188423), (329, 124279), (589, 69419), (893, 45787), (1457, 28063), (1477, 27683), (4009, 10199), (4123, 9917), (6251, 6541)]