28223210

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{313}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 52088832

約数和(自身を除く): 23865622

約数列:

[1, 2, 5, 10, 71, 127, 142, 254, 313, 355, 626, 635, 710, 1270, 1565, 3130, 9017, 18034, 22223, 39751, 44446, 45085, 79502, 90170, 111115, 198755, 222230, 397510, 2822321, 5644642, 14111605, 28223210]

約数ペア:

[(1, 28223210), (2, 14111605), (5, 5644642), (10, 2822321), (71, 397510), (127, 222230), (142, 198755), (254, 111115), (313, 90170), (355, 79502), (626, 45085), (635, 44446), (710, 39751), (1270, 22223), (1565, 18034), (3130, 9017)]