215565904

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{32941}}^1$

素因数の和:33358

約数の個数: 20

約数和(自身を含む): 418692820

約数和(自身を除く): 203126916

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 32941, 65882, 131764, 263528, 527056, 13472869, 26945738, 53891476, 107782952, 215565904]

約数ペア:

[(1, 215565904), (2, 107782952), (4, 53891476), (8, 26945738), (16, 13472869), (409, 527056), (818, 263528), (1636, 131764), (3272, 65882), (6544, 32941)]