1388684

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 2725968

約数和(自身を除く): 1337284

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 853, 1628, 1706, 3412, 9383, 18766, 31561, 37532, 63122, 126244, 347171, 694342, 1388684]

約数ペア:

[(1, 1388684), (2, 694342), (4, 347171), (11, 126244), (22, 63122), (37, 37532), (44, 31561), (74, 18766), (148, 9383), (407, 3412), (814, 1706), (853, 1628)]