289809317

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1\times {\mathrm{563}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 334682112

約数和(自身を除く): 44872795

約数列:

[1, 7, 151, 487, 563, 1057, 3409, 3941, 73537, 85013, 274181, 514759, 595091, 1919267, 41401331, 289809317]

約数ペア:

[(1, 289809317), (7, 41401331), (151, 1919267), (487, 595091), (563, 514759), (1057, 274181), (3409, 85013), (3941, 73537)]