161715323

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{719}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 212336640

約数和(自身を除く): 50621317

約数列:

[1, 7, 11, 23, 77, 127, 161, 253, 719, 889, 1397, 1771, 2921, 5033, 7909, 9779, 16537, 20447, 32131, 55363, 91313, 115759, 181907, 224917, 639191, 1004443, 1273349, 2100199, 7031101, 14701393, 23102189, 161715323]

約数ペア:

[(1, 161715323), (7, 23102189), (11, 14701393), (23, 7031101), (77, 2100199), (127, 1273349), (161, 1004443), (253, 639191), (719, 224917), (889, 181907), (1397, 115759), (1771, 91313), (2921, 55363), (5033, 32131), (7909, 20447), (9779, 16537)]