208520402

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{3889}}^1$

素因数の和:4010

約数の個数: 32

約数和(自身を含む): 352900800

約数和(自身を除く): 144380398

約数列:

[1, 2, 17, 19, 34, 38, 83, 166, 323, 646, 1411, 1577, 2822, 3154, 3889, 7778, 26809, 53618, 66113, 73891, 132226, 147782, 322787, 645574, 1256147, 2512294, 5487379, 6132953, 10974758, 12265906, 104260201, 208520402]

約数ペア:

[(1, 208520402), (2, 104260201), (17, 12265906), (19, 10974758), (34, 6132953), (38, 5487379), (83, 2512294), (166, 1256147), (323, 645574), (646, 322787), (1411, 147782), (1577, 132226), (2822, 73891), (3154, 66113), (3889, 53618), (7778, 26809)]