215295479

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{70381}}^1$

素因数の和:70430

約数の個数: 16

約数和(自身を含む): 270266880

約数和(自身を除く): 54971401

約数列:

[1, 7, 19, 23, 133, 161, 437, 3059, 70381, 492667, 1337239, 1618763, 9360673, 11331341, 30756497, 215295479]

約数ペア:

[(1, 215295479), (7, 30756497), (19, 11331341), (23, 9360673), (133, 1618763), (161, 1337239), (437, 492667), (3059, 70381)]