81764930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{14627}}^1$

素因数の和:14690

約数の個数: 32

約数和(自身を含む): 162195264

約数和(自身を除く): 80430334

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 14627, 29254, 73135, 146270, 190151, 380302, 628961, 950755, 1257922, 1901510, 3144805, 6289610, 8176493, 16352986, 40882465, 81764930]

約数ペア:

[(1, 81764930), (2, 40882465), (5, 16352986), (10, 8176493), (13, 6289610), (26, 3144805), (43, 1901510), (65, 1257922), (86, 950755), (130, 628961), (215, 380302), (430, 190151), (559, 146270), (1118, 73135), (2795, 29254), (5590, 14627)]