40439399

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 55157760

約数和(自身を除く): 14718361

約数列:

[1, 7, 11, 13, 71, 77, 91, 143, 497, 569, 781, 923, 1001, 3983, 5467, 6259, 6461, 7397, 10153, 40399, 43813, 51779, 71071, 81367, 282793, 444389, 525187, 569569, 3110723, 3676309, 5777057, 40439399]

約数ペア:

[(1, 40439399), (7, 5777057), (11, 3676309), (13, 3110723), (71, 569569), (77, 525187), (91, 444389), (143, 282793), (497, 81367), (569, 71071), (781, 51779), (923, 43813), (1001, 40399), (3983, 10153), (5467, 7397), (6259, 6461)]