661984367

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^2\times {\mathrm{491}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 765583488

約数和(自身を除く): 103599121

約数列:

[1, 11, 23, 73, 253, 491, 803, 1679, 5329, 5401, 11293, 18469, 35843, 58619, 122567, 124223, 394273, 824389, 1348237, 2616539, 9068279, 28781929, 60180397, 661984367]

約数ペア:

[(1, 661984367), (11, 60180397), (23, 28781929), (73, 9068279), (253, 2616539), (491, 1348237), (803, 824389), (1679, 394273), (5329, 124223), (5401, 122567), (11293, 58619), (18469, 35843)]