338501872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15683}}^1$

素因数の和:15781

約数の個数: 40

約数和(自身を含む): 700133760

約数和(自身を除く): 361631888

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1136, 1349, 2698, 5396, 10792, 15683, 21584, 31366, 62732, 125464, 250928, 297977, 595954, 1113493, 1191908, 2226986, 2383816, 4453972, 4767632, 8907944, 17815888, 21156367, 42312734, 84625468, 169250936, 338501872]

約数ペア:

[(1, 338501872), (2, 169250936), (4, 84625468), (8, 42312734), (16, 21156367), (19, 17815888), (38, 8907944), (71, 4767632), (76, 4453972), (142, 2383816), (152, 2226986), (284, 1191908), (304, 1113493), (568, 595954), (1136, 297977), (1349, 250928), (2698, 125464), (5396, 62732), (10792, 31366), (15683, 21584)]