389997982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{563}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 685625472

約数和(自身を除く): 295627490

約数列:

[1, 2, 11, 22, 23, 37, 46, 74, 253, 407, 506, 563, 814, 851, 1126, 1369, 1702, 2738, 6193, 9361, 12386, 12949, 15059, 18722, 20831, 25898, 30118, 31487, 41662, 62974, 142439, 229141, 284878, 346357, 458282, 479113, 692714, 770747, 958226, 1541494, 5270243, 8478217, 10540486, 16956434, 17727181, 35454362, 194998991, 389997982]

約数ペア:

[(1, 389997982), (2, 194998991), (11, 35454362), (22, 17727181), (23, 16956434), (37, 10540486), (46, 8478217), (74, 5270243), (253, 1541494), (407, 958226), (506, 770747), (563, 692714), (814, 479113), (851, 458282), (1126, 346357), (1369, 284878), (1702, 229141), (2738, 142439), (6193, 62974), (9361, 41662), (12386, 31487), (12949, 30118), (15059, 25898), (18722, 20831)]