212897515

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{3853}}^1$

素因数の和:4158

約数の個数: 16

約数和(自身を含む): 262503648

約数和(自身を除く): 49606133

約数列:

[1, 5, 43, 215, 257, 1285, 3853, 11051, 19265, 55255, 165679, 828395, 990221, 4951105, 42579503, 212897515]

約数ペア:

[(1, 212897515), (5, 42579503), (43, 4951105), (215, 990221), (257, 828395), (1285, 165679), (3853, 55255), (11051, 19265)]