28668695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:343

約数の個数: 32

約数和(自身を含む): 39688704

約数和(自身を除く): 11020009

約数列:

[1, 5, 11, 23, 55, 115, 131, 173, 253, 655, 865, 1265, 1441, 1903, 3013, 3979, 7205, 9515, 15065, 19895, 22663, 33143, 43769, 113315, 165715, 218845, 249293, 521249, 1246465, 2606245, 5733739, 28668695]

約数ペア:

[(1, 28668695), (5, 5733739), (11, 2606245), (23, 1246465), (55, 521249), (115, 249293), (131, 218845), (173, 165715), (253, 113315), (655, 43769), (865, 33143), (1265, 22663), (1441, 19895), (1903, 15065), (3013, 9515), (3979, 7205)]