71293085

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:880

約数の個数: 16

約数和(自身を含む): 86842800

約数和(自身を除く): 15549715

約数列:

[1, 5, 109, 257, 509, 545, 1285, 2545, 28013, 55481, 130813, 140065, 277405, 654065, 14258617, 71293085]

約数ペア:

[(1, 71293085), (5, 14258617), (109, 654065), (257, 277405), (509, 140065), (545, 130813), (1285, 55481), (2545, 28013)]