28777945

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5107}}^1$

素因数の和:5149

約数の個数: 24

約数和(自身を含む): 41926464

約数和(自身を除く): 13148519

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 805, 1127, 5107, 5635, 25535, 35749, 117461, 178745, 250243, 587305, 822227, 1251215, 4111135, 5755589, 28777945]

約数ペア:

[(1, 28777945), (5, 5755589), (7, 4111135), (23, 1251215), (35, 822227), (49, 587305), (115, 250243), (161, 178745), (245, 117461), (805, 35749), (1127, 25535), (5107, 5635)]