91440505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{197}}^1$

素因数の和:445

約数の個数: 32

約数和(自身を含む): 122611104

約数和(自身を除く): 31170599

約数列:

[1, 5, 13, 37, 65, 185, 193, 197, 481, 965, 985, 2405, 2509, 2561, 7141, 7289, 12545, 12805, 35705, 36445, 38021, 92833, 94757, 190105, 464165, 473785, 494273, 1406777, 2471365, 7033885, 18288101, 91440505]

約数ペア:

[(1, 91440505), (5, 18288101), (13, 7033885), (37, 2471365), (65, 1406777), (185, 494273), (193, 473785), (197, 464165), (481, 190105), (965, 94757), (985, 92833), (2405, 38021), (2509, 36445), (2561, 35705), (7141, 12805), (7289, 12545)]