388889365

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{64439}}^1$

素因数の和:64532

約数の個数: 16

約数和(自身を含む): 501085440

約数和(自身を除く): 112196075

約数列:

[1, 5, 17, 71, 85, 355, 1207, 6035, 64439, 322195, 1095463, 4575169, 5477315, 22875845, 77777873, 388889365]

約数ペア:

[(1, 388889365), (5, 77777873), (17, 22875845), (71, 5477315), (85, 4575169), (355, 1095463), (1207, 322195), (6035, 64439)]