68808688

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{25447}}^1$

素因数の和:25481

約数の個数: 30

約数和(自身を含む): 144366504

約数和(自身を除く): 75557816

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 25447, 50894, 101788, 203576, 330811, 407152, 661622, 1323244, 2646488, 4300543, 5292976, 8601086, 17202172, 34404344, 68808688]

約数ペア:

[(1, 68808688), (2, 34404344), (4, 17202172), (8, 8601086), (13, 5292976), (16, 4300543), (26, 2646488), (52, 1323244), (104, 661622), (169, 407152), (208, 330811), (338, 203576), (676, 101788), (1352, 50894), (2704, 25447)]