28011346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 47278080

約数和(自身を除く): 19266734

約数列:

[1, 2, 11, 22, 71, 79, 142, 158, 227, 454, 781, 869, 1562, 1738, 2497, 4994, 5609, 11218, 16117, 17933, 32234, 35866, 61699, 123398, 177287, 197263, 354574, 394526, 1273243, 2546486, 14005673, 28011346]

約数ペア:

[(1, 28011346), (2, 14005673), (11, 2546486), (22, 1273243), (71, 394526), (79, 354574), (142, 197263), (158, 177287), (227, 123398), (454, 61699), (781, 35866), (869, 32234), (1562, 17933), (1738, 16117), (2497, 11218), (4994, 5609)]