128891665

素因数分解:

$5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 180486144

約数和(自身を除く): 51594479

約数列:

[1, 5, 7, 35, 107, 127, 271, 535, 635, 749, 889, 1355, 1897, 3745, 4445, 9485, 13589, 28997, 34417, 67945, 95123, 144985, 172085, 202979, 240919, 475615, 1014895, 1204595, 3682619, 18413095, 25778333, 128891665]

約数ペア:

[(1, 128891665), (5, 25778333), (7, 18413095), (35, 3682619), (107, 1204595), (127, 1014895), (271, 475615), (535, 240919), (635, 202979), (749, 172085), (889, 144985), (1355, 95123), (1897, 67945), (3745, 34417), (4445, 28997), (9485, 13589)]