420846793918

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1\times {\mathrm{23197}}^1$

素因数の和:23964

約数の個数: 32

約数和(自身を含む): 642630996000

約数和(自身を除く): 221784202082

約数列:

[1, 2, 89, 178, 227, 449, 454, 898, 20203, 23197, 39961, 40406, 46394, 79922, 101923, 203846, 2064533, 4129066, 5265719, 9071147, 10415453, 10531438, 18142294, 20830906, 468648991, 926975317, 937297982, 1853950634, 2364307831, 4728615662, 210423396959, 420846793918]

約数ペア:

[(1, 420846793918), (2, 210423396959), (89, 4728615662), (178, 2364307831), (227, 1853950634), (449, 937297982), (454, 926975317), (898, 468648991), (20203, 20830906), (23197, 18142294), (39961, 10531438), (40406, 10415453), (46394, 9071147), (79922, 5265719), (101923, 4129066), (203846, 2064533)]