289823065

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{523}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 405651456

約数和(自身を除く): 115828391

約数列:

[1, 5, 7, 35, 71, 223, 355, 497, 523, 1115, 1561, 2485, 2615, 3661, 7805, 15833, 18305, 37133, 79165, 110831, 116629, 185665, 259931, 554155, 583145, 816403, 1299655, 4082015, 8280659, 41403295, 57964613, 289823065]

約数ペア:

[(1, 289823065), (5, 57964613), (7, 41403295), (35, 8280659), (71, 4082015), (223, 1299655), (355, 816403), (497, 583145), (523, 554155), (1115, 259931), (1561, 185665), (2485, 116629), (2615, 110831), (3661, 79165), (7805, 37133), (15833, 18305)]