17993311

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{587}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 21450240

約数和(自身を除く): 3456929

約数列:

[1, 7, 29, 151, 203, 587, 1057, 4109, 4379, 17023, 30653, 88637, 119161, 620459, 2570473, 17993311]

約数ペア:

[(1, 17993311), (7, 2570473), (29, 620459), (151, 119161), (203, 88637), (587, 30653), (1057, 17023), (4109, 4379)]