81583710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{209189}}^1$

素因数の和:209212

約数の個数: 32

約数和(自身を含む): 210863520

約数和(自身を除く): 129279810

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 209189, 418378, 627567, 1045945, 1255134, 2091890, 2719457, 3137835, 5438914, 6275670, 8158371, 13597285, 16316742, 27194570, 40791855, 81583710]

約数ペア:

[(1, 81583710), (2, 40791855), (3, 27194570), (5, 16316742), (6, 13597285), (10, 8158371), (13, 6275670), (15, 5438914), (26, 3137835), (30, 2719457), (39, 2091890), (65, 1255134), (78, 1045945), (130, 627567), (195, 418378), (390, 209189)]