212960209

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{64319}}^1$

素因数の和:64380

約数の個数: 16

約数和(自身を含む): 271687680

約数和(自身を除く): 58727471

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 64319, 450233, 707509, 2765717, 4952563, 19360019, 30422887, 212960209]

約数ペア:

[(1, 212960209), (7, 30422887), (11, 19360019), (43, 4952563), (77, 2765717), (301, 707509), (473, 450233), (3311, 64319)]