12805774

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{1321}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 19893456

約数和(自身を除く): 7087682

約数列:

[1, 2, 37, 74, 131, 262, 1321, 2642, 4847, 9694, 48877, 97754, 173051, 346102, 6402887, 12805774]

約数ペア:

[(1, 12805774), (2, 6402887), (37, 346102), (74, 173051), (131, 97754), (262, 48877), (1321, 9694), (2642, 4847)]