1291928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 2702160

約数和(自身を除く): 1410232

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 212, 277, 424, 554, 583, 1108, 1166, 2216, 2332, 3047, 4664, 6094, 12188, 14681, 24376, 29362, 58724, 117448, 161491, 322982, 645964, 1291928]

約数ペア:

[(1, 1291928), (2, 645964), (4, 322982), (8, 161491), (11, 117448), (22, 58724), (44, 29362), (53, 24376), (88, 14681), (106, 12188), (212, 6094), (277, 4664), (424, 3047), (554, 2332), (583, 2216), (1108, 1166)]