66391664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{244087}}^1$

素因数の和:244112

約数の個数: 20

約数和(自身を含む): 136201104

約数和(自身を除く): 69809440

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 244087, 488174, 976348, 1952696, 3905392, 4149479, 8298958, 16597916, 33195832, 66391664]

約数ペア:

[(1, 66391664), (2, 33195832), (4, 16597916), (8, 8298958), (16, 4149479), (17, 3905392), (34, 1952696), (68, 976348), (136, 488174), (272, 244087)]