207647858

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 150877582

約数列:

[1, 2, 11, 22, 31, 62, 89, 121, 178, 242, 311, 341, 622, 682, 979, 1958, 2759, 3421, 3751, 5518, 6842, 7502, 9641, 10769, 19282, 21538, 27679, 30349, 37631, 55358, 60698, 75262, 106051, 212102, 304469, 333839, 608938, 667678, 858049, 1166561, 1716098, 2333122, 3349159, 6698318, 9438539, 18877078, 103823929, 207647858]

約数ペア:

[(1, 207647858), (2, 103823929), (11, 18877078), (22, 9438539), (31, 6698318), (62, 3349159), (89, 2333122), (121, 1716098), (178, 1166561), (242, 858049), (311, 667678), (341, 608938), (622, 333839), (682, 304469), (979, 212102), (1958, 106051), (2759, 75262), (3421, 60698), (3751, 55358), (5518, 37631), (6842, 30349), (7502, 27679), (9641, 21538), (10769, 19282)]