78840268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{2693}}^1$

素因数の和:3273

約数の個数: 24

約数和(自身を含む): 148902768

約数和(自身を除く): 70062500

約数列:

[1, 2, 4, 13, 26, 52, 563, 1126, 2252, 2693, 5386, 7319, 10772, 14638, 29276, 35009, 70018, 140036, 1516159, 3032318, 6064636, 19710067, 39420134, 78840268]

約数ペア:

[(1, 78840268), (2, 39420134), (4, 19710067), (13, 6064636), (26, 3032318), (52, 1516159), (563, 140036), (1126, 70018), (2252, 35009), (2693, 29276), (5386, 14638), (7319, 10772)]