641756414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{57269}}^1$

素因数の和:57715

約数の個数: 16

約数和(自身を含む): 1039106880

約数和(自身を除く): 397350466

約数列:

[1, 2, 13, 26, 431, 862, 5603, 11206, 57269, 114538, 744497, 1488994, 24682939, 49365878, 320878207, 641756414]

約数ペア:

[(1, 641756414), (2, 320878207), (13, 49365878), (26, 24682939), (431, 1488994), (862, 744497), (5603, 114538), (11206, 57269)]