68663270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1949}}^1$

素因数の和:2240

約数の個数: 32

約数和(自身を含む): 133660800

約数和(自身を除く): 64997530

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 271, 542, 1355, 1949, 2710, 3523, 3898, 7046, 9745, 17615, 19490, 25337, 35230, 50674, 126685, 253370, 528179, 1056358, 2640895, 5281790, 6866327, 13732654, 34331635, 68663270]

約数ペア:

[(1, 68663270), (2, 34331635), (5, 13732654), (10, 6866327), (13, 5281790), (26, 2640895), (65, 1056358), (130, 528179), (271, 253370), (542, 126685), (1355, 50674), (1949, 35230), (2710, 25337), (3523, 19490), (3898, 17615), (7046, 9745)]