28574286

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{9901}}^1$

素因数の和:9956

約数の個数: 32

約数和(自身を含む): 63214368

約数和(自身を除く): 34640082

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 962, 1443, 2886, 9901, 19802, 29703, 59406, 128713, 257426, 366337, 386139, 732674, 772278, 1099011, 2198022, 4762381, 9524762, 14287143, 28574286]

約数ペア:

[(1, 28574286), (2, 14287143), (3, 9524762), (6, 4762381), (13, 2198022), (26, 1099011), (37, 772278), (39, 732674), (74, 386139), (78, 366337), (111, 257426), (222, 128713), (481, 59406), (962, 29703), (1443, 19802), (2886, 9901)]