2509988

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:156

約数の個数: 36

約数和(自身を含む): 4919040

約数和(自身を除く): 2409052

約数列:

[1, 2, 4, 13, 26, 47, 52, 79, 94, 158, 169, 188, 316, 338, 611, 676, 1027, 1222, 2054, 2444, 3713, 4108, 7426, 7943, 13351, 14852, 15886, 26702, 31772, 48269, 53404, 96538, 193076, 627497, 1254994, 2509988]

約数ペア:

[(1, 2509988), (2, 1254994), (4, 627497), (13, 193076), (26, 96538), (47, 53404), (52, 48269), (79, 31772), (94, 26702), (158, 15886), (169, 14852), (188, 13351), (316, 7943), (338, 7426), (611, 4108), (676, 3713), (1027, 2444), (1222, 2054)]