206821517

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{3917}}^1$

素因数の和:4340

約数の個数: 16

約数和(自身を含む): 249498240

約数和(自身を除く): 42676723

約数列:

[1, 7, 19, 133, 397, 2779, 3917, 7543, 27419, 52801, 74423, 520961, 1555049, 10885343, 29545931, 206821517]

約数ペア:

[(1, 206821517), (7, 29545931), (19, 10885343), (133, 1555049), (397, 520961), (2779, 74423), (3917, 52801), (7543, 27419)]