81667888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{164653}}^1$

素因数の和:164692

約数の個数: 20

約数和(自身を含む): 163336768

約数和(自身を除く): 81668880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 164653, 329306, 658612, 1317224, 2634448, 5104243, 10208486, 20416972, 40833944, 81667888]

約数ペア:

[(1, 81667888), (2, 40833944), (4, 20416972), (8, 10208486), (16, 5104243), (31, 2634448), (62, 1317224), (124, 658612), (248, 329306), (496, 164653)]