628818210352

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{857}}^1\times {\mathrm{645901}}^1$

素因数の和:646837

約数の個数: 40

約数和(自身を含む): 1236938500512

約数和(自身を除く): 608120290160

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 857, 1136, 1714, 3428, 6856, 13712, 60847, 121694, 243388, 486776, 645901, 973552, 1291802, 2583604, 5167208, 10334416, 45858971, 91717942, 183435884, 366871768, 553537157, 733743536, 1107074314, 2214148628, 4428297256, 8856594512, 39301138147, 78602276294, 157204552588, 314409105176, 628818210352]

約数ペア:

[(1, 628818210352), (2, 314409105176), (4, 157204552588), (8, 78602276294), (16, 39301138147), (71, 8856594512), (142, 4428297256), (284, 2214148628), (568, 1107074314), (857, 733743536), (1136, 553537157), (1714, 366871768), (3428, 183435884), (6856, 91717942), (13712, 45858971), (60847, 10334416), (121694, 5167208), (243388, 2583604), (486776, 1291802), (645901, 973552)]