2980406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1$

素因数の和:656

約数の個数: 32

約数和(自身を含む): 5570208

約数和(自身を除く): 2589802

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 286, 374, 442, 613, 1226, 2431, 4862, 6743, 7969, 10421, 13486, 15938, 20842, 87659, 114631, 135473, 175318, 229262, 270946, 1490203, 2980406]

約数ペア:

[(1, 2980406), (2, 1490203), (11, 270946), (13, 229262), (17, 175318), (22, 135473), (26, 114631), (34, 87659), (143, 20842), (187, 15938), (221, 13486), (286, 10421), (374, 7969), (442, 6743), (613, 4862), (1226, 2431)]