219701911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{997}}^1$

素因数の和:1111

約数の個数: 32

約数和(自身を含む): 273627648

約数和(自身を除く): 53925737

約数列:

[1, 11, 13, 23, 67, 143, 253, 299, 737, 871, 997, 1541, 3289, 9581, 10967, 12961, 16951, 20033, 22931, 66799, 142571, 220363, 252241, 298103, 734789, 868387, 1536377, 3279133, 9552257, 16900147, 19972901, 219701911]

約数ペア:

[(1, 219701911), (11, 19972901), (13, 16900147), (23, 9552257), (67, 3279133), (143, 1536377), (253, 868387), (299, 734789), (737, 298103), (871, 252241), (997, 220363), (1541, 142571), (3289, 66799), (9581, 22931), (10967, 20033), (12961, 16951)]