39809878

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1839

約数の個数: 16

約数和(自身を含む): 60858000

約数和(自身を除く): 21048122

約数列:

[1, 2, 89, 139, 178, 278, 1609, 3218, 12371, 24742, 143201, 223651, 286402, 447302, 19904939, 39809878]

約数ペア:

[(1, 39809878), (2, 19904939), (89, 447302), (139, 286402), (178, 223651), (278, 143201), (1609, 24742), (3218, 12371)]