221805424

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{261563}}^1$

素因数の和:261624

約数の個数: 20

約数和(自身を含む): 437858136

約数和(自身を除く): 216052712

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 261563, 523126, 1046252, 2092504, 4185008, 13862839, 27725678, 55451356, 110902712, 221805424]

約数ペア:

[(1, 221805424), (2, 110902712), (4, 55451356), (8, 27725678), (16, 13862839), (53, 4185008), (106, 2092504), (212, 1046252), (424, 523126), (848, 261563)]