12889645

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{607}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 16109568

約数和(自身を除く): 3219923

約数列:

[1, 5, 31, 137, 155, 607, 685, 3035, 4247, 18817, 21235, 83159, 94085, 415795, 2577929, 12889645]

約数ペア:

[(1, 12889645), (5, 2577929), (31, 415795), (137, 94085), (155, 83159), (607, 21235), (685, 18817), (3035, 4247)]