211678864

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{67157}}^1$

素因数の和:67362

約数の個数: 20

約数和(自身を含む): 412215804

約数和(自身を除く): 200536940

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 67157, 134314, 268628, 537256, 1074512, 13229929, 26459858, 52919716, 105839432, 211678864]

約数ペア:

[(1, 211678864), (2, 105839432), (4, 52919716), (8, 26459858), (16, 13229929), (197, 1074512), (394, 537256), (788, 268628), (1576, 134314), (3152, 67157)]