1638988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{733}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 3165008

約数和(自身を除く): 1526020

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 733, 1118, 1466, 2236, 2932, 9529, 19058, 31519, 38116, 63038, 126076, 409747, 819494, 1638988]

約数ペア:

[(1, 1638988), (2, 819494), (4, 409747), (13, 126076), (26, 63038), (43, 38116), (52, 31519), (86, 19058), (172, 9529), (559, 2932), (733, 2236), (1118, 1466)]