209216272

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{421807}}^1$

素因数の和:421846

約数の個数: 20

約数和(自身を含む): 418433536

約数和(自身を除く): 209217264

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 421807, 843614, 1687228, 3374456, 6748912, 13076017, 26152034, 52304068, 104608136, 209216272]

約数ペア:

[(1, 209216272), (2, 104608136), (4, 52304068), (8, 26152034), (16, 13076017), (31, 6748912), (62, 3374456), (124, 1687228), (248, 843614), (496, 421807)]