256837802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{6529}}^1$

素因数の和:6650

約数の個数: 32

約数和(自身を含む): 444301200

約数和(自身を除く): 187463398

約数列:

[1, 2, 13, 17, 26, 34, 89, 178, 221, 442, 1157, 1513, 2314, 3026, 6529, 13058, 19669, 39338, 84877, 110993, 169754, 221986, 581081, 1162162, 1442909, 2885818, 7554053, 9878377, 15108106, 19756754, 128418901, 256837802]

約数ペア:

[(1, 256837802), (2, 128418901), (13, 19756754), (17, 15108106), (26, 9878377), (34, 7554053), (89, 2885818), (178, 1442909), (221, 1162162), (442, 581081), (1157, 221986), (1513, 169754), (2314, 110993), (3026, 84877), (6529, 39338), (13058, 19669)]