81602128

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{25889}}^1$

素因数の和:26094

約数の個数: 20

約数和(自身を含む): 158912820

約数和(自身を除く): 77310692

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 25889, 51778, 103556, 207112, 414224, 5100133, 10200266, 20400532, 40801064, 81602128]

約数ペア:

[(1, 81602128), (2, 40801064), (4, 20400532), (8, 10200266), (16, 5100133), (197, 414224), (394, 207112), (788, 103556), (1576, 51778), (3152, 25889)]