268991642

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{28513}}^1$

素因数の和:28657

約数の個数: 16

約数和(自身を含む): 415734120

約数和(自身を除く): 146742478

約数列:

[1, 2, 53, 89, 106, 178, 4717, 9434, 28513, 57026, 1511189, 2537657, 3022378, 5075314, 134495821, 268991642]

約数ペア:

[(1, 268991642), (2, 134495821), (53, 5075314), (89, 3022378), (106, 2537657), (178, 1511189), (4717, 57026), (9434, 28513)]