40905557

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 53084160

約数和(自身を除く): 12178603

約数列:

[1, 7, 11, 47, 77, 89, 127, 329, 517, 623, 889, 979, 1397, 3619, 4183, 5969, 6853, 9779, 11303, 29281, 41783, 46013, 65659, 79121, 124333, 322091, 459613, 531241, 870331, 3718687, 5843651, 40905557]

約数ペア:

[(1, 40905557), (7, 5843651), (11, 3718687), (47, 870331), (77, 531241), (89, 459613), (127, 322091), (329, 124333), (517, 79121), (623, 65659), (889, 46013), (979, 41783), (1397, 29281), (3619, 11303), (4183, 9779), (5969, 6853)]