15996575

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:336

約数の個数: 48

約数和(自身を含む): 25355520

約数和(自身を除く): 9358945

約数列:

[1, 5, 7, 17, 19, 25, 35, 85, 95, 119, 133, 175, 283, 323, 425, 475, 595, 665, 1415, 1615, 1981, 2261, 2975, 3325, 4811, 5377, 7075, 8075, 9905, 11305, 24055, 26885, 33677, 37639, 49525, 56525, 91409, 120275, 134425, 168385, 188195, 457045, 639863, 841925, 940975, 2285225, 3199315, 15996575]

約数ペア:

[(1, 15996575), (5, 3199315), (7, 2285225), (17, 940975), (19, 841925), (25, 639863), (35, 457045), (85, 188195), (95, 168385), (119, 134425), (133, 120275), (175, 91409), (283, 56525), (323, 49525), (425, 37639), (475, 33677), (595, 26885), (665, 24055), (1415, 11305), (1615, 9905), (1981, 8075), (2261, 7075), (2975, 5377), (3325, 4811)]