165657910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{21211}}^1$

素因数の和:21300

約数の個数: 32

約数和(自身を含む): 329889024

約数和(自身を除く): 164231114

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 21211, 42422, 106055, 212110, 233321, 466642, 1166605, 1505981, 2333210, 3011962, 7529905, 15059810, 16565791, 33131582, 82828955, 165657910]

約数ペア:

[(1, 165657910), (2, 82828955), (5, 33131582), (10, 16565791), (11, 15059810), (22, 7529905), (55, 3011962), (71, 2333210), (110, 1505981), (142, 1166605), (355, 466642), (710, 233321), (781, 212110), (1562, 106055), (3905, 42422), (7810, 21211)]