721032214

素因数分解:

$2^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{261433}}^1$

素因数の和:261639

約数の個数: 16

約数和(自身を含む): 1242334368

約数和(自身を除く): 521302154

約数列:

[1, 2, 7, 14, 197, 394, 1379, 2758, 261433, 522866, 1830031, 3660062, 51502301, 103004602, 360516107, 721032214]

約数ペア:

[(1, 721032214), (2, 360516107), (7, 103004602), (14, 51502301), (197, 3660062), (394, 1830031), (1379, 522866), (2758, 261433)]