81775582

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{211}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 156303360

約数和(自身を除く): 74527778

約数列:

[1, 2, 7, 14, 19, 31, 38, 47, 62, 94, 133, 211, 217, 266, 329, 422, 434, 589, 658, 893, 1178, 1457, 1477, 1786, 2914, 2954, 4009, 4123, 6251, 6541, 8018, 8246, 9917, 10199, 12502, 13082, 19834, 20398, 27683, 28063, 45787, 55366, 56126, 69419, 91574, 124279, 138838, 188423, 193781, 248558, 307427, 376846, 387562, 614854, 869953, 1318961, 1739906, 2151989, 2637922, 4303978, 5841113, 11682226, 40887791, 81775582]

約数ペア:

[(1, 81775582), (2, 40887791), (7, 11682226), (14, 5841113), (19, 4303978), (31, 2637922), (38, 2151989), (47, 1739906), (62, 1318961), (94, 869953), (133, 614854), (211, 387562), (217, 376846), (266, 307427), (329, 248558), (422, 193781), (434, 188423), (589, 138838), (658, 124279), (893, 91574), (1178, 69419), (1457, 56126), (1477, 55366), (1786, 45787), (2914, 28063), (2954, 27683), (4009, 20398), (4123, 19834), (6251, 13082), (6541, 12502), (8018, 10199), (8246, 9917)]