1191009025

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{670991}}^1$

素因数の和:671072

約数の個数: 12

約数和(自身を含む): 1497654144

約数和(自身を除く): 306645119

約数列:

[1, 5, 25, 71, 355, 1775, 670991, 3354955, 16774775, 47640361, 238201805, 1191009025]

約数ペア:

[(1, 1191009025), (5, 238201805), (25, 47640361), (71, 16774775), (355, 3354955), (1775, 670991)]