398401070

素因数分解:

$2^1\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{27457}}^1$

素因数の和:28915

約数の個数: 16

約数和(自身を含む): 717642288

約数和(自身を除く): 319241218

約数列:

[1, 2, 5, 10, 1451, 2902, 7255, 14510, 27457, 54914, 137285, 274570, 39840107, 79680214, 199200535, 398401070]

約数ペア:

[(1, 398401070), (2, 199200535), (5, 79680214), (10, 39840107), (1451, 274570), (2902, 137285), (7255, 54914), (14510, 27457)]