420486512

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{79397}}^1$

素因数の和:79736

約数の個数: 20

約数和(自身を含む): 817164216

約数和(自身を除く): 396677704

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 5296, 79397, 158794, 317588, 635176, 1270352, 26280407, 52560814, 105121628, 210243256, 420486512]

約数ペア:

[(1, 420486512), (2, 210243256), (4, 105121628), (8, 52560814), (16, 26280407), (331, 1270352), (662, 635176), (1324, 317588), (2648, 158794), (5296, 79397)]