1290971668

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{869927}}^1$

素因数の和:869991

約数の個数: 24

約数和(自身を含む): 2630662272

約数和(自身を除く): 1339690604

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 869927, 1739854, 3479708, 6089489, 12178978, 24357956, 46106131, 92212262, 184424524, 322742917, 645485834, 1290971668]

約数ペア:

[(1, 1290971668), (2, 645485834), (4, 322742917), (7, 184424524), (14, 92212262), (28, 46106131), (53, 24357956), (106, 12178978), (212, 6089489), (371, 3479708), (742, 1739854), (1484, 869927)]