211771895

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{5209}}^1$

素因数の和:5434

約数の個数: 16

約数和(自身を含む): 261083520

約数和(自身を除く): 49311625

約数列:

[1, 5, 47, 173, 235, 865, 5209, 8131, 26045, 40655, 244823, 901157, 1224115, 4505785, 42354379, 211771895]

約数ペア:

[(1, 211771895), (5, 42354379), (47, 4505785), (173, 1224115), (235, 901157), (865, 244823), (5209, 40655), (8131, 26045)]