201196784

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{12689}}^1$

素因数の和:13688

約数の個数: 20

約数和(自身を含む): 390242880

約数和(自身を除く): 189046096

約数列:

[1, 2, 4, 8, 16, 991, 1982, 3964, 7928, 12689, 15856, 25378, 50756, 101512, 203024, 12574799, 25149598, 50299196, 100598392, 201196784]

約数ペア:

[(1, 201196784), (2, 100598392), (4, 50299196), (8, 25149598), (16, 12574799), (991, 203024), (1982, 101512), (3964, 50756), (7928, 25378), (12689, 15856)]