1642628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1067

約数の個数: 24

約数和(自身を含む): 3198720

約数和(自身を除く): 1556092

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1019, 1612, 2038, 4076, 13247, 26494, 31589, 52988, 63178, 126356, 410657, 821314, 1642628]

約数ペア:

[(1, 1642628), (2, 821314), (4, 410657), (13, 126356), (26, 63178), (31, 52988), (52, 31589), (62, 26494), (124, 13247), (403, 4076), (806, 2038), (1019, 1612)]