38894765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1171}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 58281216

約数和(自身を除く): 19386451

約数列:

[1, 5, 7, 13, 35, 65, 73, 91, 365, 455, 511, 949, 1171, 2555, 4745, 5855, 6643, 8197, 15223, 33215, 40985, 76115, 85483, 106561, 427415, 532805, 598381, 1111279, 2991905, 5556395, 7778953, 38894765]

約数ペア:

[(1, 38894765), (5, 7778953), (7, 5556395), (13, 2991905), (35, 1111279), (65, 598381), (73, 532805), (91, 427415), (365, 106561), (455, 85483), (511, 76115), (949, 40985), (1171, 33215), (2555, 15223), (4745, 8197), (5855, 6643)]