28305403

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{439}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 33172480

約数和(自身を除く): 4867077

約数列:

[1, 7, 61, 151, 427, 439, 1057, 3073, 9211, 26779, 64477, 66289, 187453, 464023, 4043629, 28305403]

約数ペア:

[(1, 28305403), (7, 4043629), (61, 464023), (151, 187453), (427, 66289), (439, 64477), (1057, 26779), (3073, 9211)]