1393276670

素因数分解:

$2^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{542131}}^1$

素因数の和:542395

約数の個数: 16

約数和(自身を含む): 2517661008

約数和(自身を除く): 1124384338

約数列:

[1, 2, 5, 10, 257, 514, 1285, 2570, 542131, 1084262, 2710655, 5421310, 139327667, 278655334, 696638335, 1393276670]

約数ペア:

[(1, 1393276670), (2, 696638335), (5, 278655334), (10, 139327667), (257, 5421310), (514, 2710655), (1285, 1084262), (2570, 542131)]