191894521

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:961

約数の個数: 32

約数和(自身を含む): 251935488

約数和(自身を除く): 60040967

約数列:

[1, 7, 13, 17, 91, 119, 163, 221, 761, 1141, 1547, 2119, 2771, 5327, 9893, 12937, 14833, 19397, 36023, 69251, 90559, 124043, 168181, 252161, 868301, 1177267, 1612559, 2108731, 11287913, 14761117, 27413503, 191894521]

約数ペア:

[(1, 191894521), (7, 27413503), (13, 14761117), (17, 11287913), (91, 2108731), (119, 1612559), (163, 1177267), (221, 868301), (761, 252161), (1141, 168181), (1547, 124043), (2119, 90559), (2771, 69251), (5327, 36023), (9893, 19397), (12937, 14833)]