68276468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{811}}^1\times {\mathrm{1619}}^1$

素因数の和:2447

約数の個数: 24

約数和(自身を含む): 128913120

約数和(自身を除く): 60636652

約数列:

[1, 2, 4, 13, 26, 52, 811, 1619, 1622, 3238, 3244, 6476, 10543, 21047, 21086, 42094, 42172, 84188, 1313009, 2626018, 5252036, 17069117, 34138234, 68276468]

約数ペア:

[(1, 68276468), (2, 34138234), (4, 17069117), (13, 5252036), (26, 2626018), (52, 1313009), (811, 84188), (1619, 42172), (1622, 42094), (3238, 21086), (3244, 21047), (6476, 10543)]