40028443

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 11581157

約数列:

[1, 7, 13, 47, 49, 91, 191, 329, 343, 611, 637, 1337, 2303, 2483, 4277, 4459, 8977, 9359, 16121, 17381, 29939, 62839, 65513, 116701, 121667, 209573, 439873, 816907, 851669, 3079111, 5718349, 40028443]

約数ペア:

[(1, 40028443), (7, 5718349), (13, 3079111), (47, 851669), (49, 816907), (91, 439873), (191, 209573), (329, 121667), (343, 116701), (611, 65513), (637, 62839), (1337, 29939), (2303, 17381), (2483, 16121), (4277, 9359), (4459, 8977)]