201628285

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{179}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 261273600

約数和(自身を除く): 59645315

約数列:

[1, 5, 19, 71, 95, 167, 179, 355, 835, 895, 1349, 3173, 3401, 6745, 11857, 12709, 15865, 17005, 29893, 59285, 63545, 149465, 225283, 241471, 567967, 1126415, 1207355, 2122403, 2839835, 10612015, 40325657, 201628285]

約数ペア:

[(1, 201628285), (5, 40325657), (19, 10612015), (71, 2839835), (95, 2122403), (167, 1207355), (179, 1126415), (355, 567967), (835, 241471), (895, 225283), (1349, 149465), (3173, 63545), (3401, 59285), (6745, 29893), (11857, 17005), (12709, 15865)]