31318864

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{32089}}^1$

素因数の和:32158

約数の個数: 20

約数和(自身を含む): 61676980

約数和(自身を除く): 30358116

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 32089, 64178, 128356, 256712, 513424, 1957429, 3914858, 7829716, 15659432, 31318864]

約数ペア:

[(1, 31318864), (2, 15659432), (4, 7829716), (8, 3914858), (16, 1957429), (61, 513424), (122, 256712), (244, 128356), (488, 64178), (976, 32089)]