251017228

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{814991}}^1$

素因数の和:815013

約数の個数: 24

約数和(自身を含む): 547674624

約数和(自身を除く): 296657396

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 814991, 1629982, 3259964, 5704937, 8964901, 11409874, 17929802, 22819748, 35859604, 62754307, 125508614, 251017228]

約数ペア:

[(1, 251017228), (2, 125508614), (4, 62754307), (7, 35859604), (11, 22819748), (14, 17929802), (22, 11409874), (28, 8964901), (44, 5704937), (77, 3259964), (154, 1629982), (308, 814991)]